0000029088 00000 n Gemstone Refill. x��=�n�Hv� �?0/��h�YW�A�A�3=�&;�n`v� [�-�[���t&��˹T�"VY�T42��%��9u�ԩs���/ه����CV��g?\f�x�����2+2�Zf���7�S�z�����7�?�L���כ�o�WdpE���JS�~������n��-}�ܷ�޾�����LMVS=y�n��>^o��d�����~��� ~�����ש����r�>��߮��=ޱ�ン�W���߾���ϷoN��u�Mw|4,7�,! Jewelry fastening. ���5ʠ�o�i�,�n�#Ŝ�)/��� �Yy(ZN�v�����`��K���A�Qd��=�Rqꃏ��I��.����K�����yz� �#�kr�d ��ap�\��O)�6���֔��Z�R�q�1C��gw���;��l���%Z+R��,hQ&���u��Ξ͢r�ڙ[�. National Geographic Rock Tumbler Hobby Edition Toys S Others On Carou. For real rocks you need something stronger like SiC Powder, but we wil… Sale Price: 26.99 Original Price: 34.99. Perfect for a seasoned tumbler or ambitious beginner, this rock tumbler comes with everything needed including easy-to-follow instructions. Professional Rock Tumbler. Aug 3, 2015 - We sell all of the rock tumbling and lapidary supplies you will need for tumble-polishing rough rocks into beautiful gemstones - grit, polishes, rough, media and more. Get your answers by asking now. Rock tumbler base 2. Be patient! PHOTOSTOCK-ISRAEL, Getty Images Science. Please try your search again later. 0000011025 00000 n All you need to start is some basic equipment to get started, and some rocks of course! It is a simple hobby for a lot of people and can be enjoyed by the whole family. The instructions explain how to use the tumbler successfully and maintain it properly. Last one . sale . A full-color learning guide and detailed instructions are included, too, so you shouldn't struggle to get going. was: $39.99 now: $24.00 40% off Children's Activity Kits. It’s the perfect rock tumbler for both beginners and advanced hobbyists. national geographic rock tumbler instruction manual pdf, This is a study guide and assessment to use with National Geographic Science curriculum. $18.91 New. It is one of the best rock tumblers for jewelry tumbling. Each level of grit in this kit has a unique purpose when tumbled with your rough stones. endobj This top-of-the-line rock tumbler includes many unique features that will give you faster polishing times and better results. 0000005812 00000 n 0000011613 00000 n National Geographic Rock Tumbler Grit - 3.28 Pounds Rock Polishing Grit Media, Works with any Rock Tumbler, Rock Polisher, Stone Polisher, Polishes 8-10 Pounds of Rocks 4.7 out of 5 … Rock tumbling is mainly a hobby for people who love to collect different rocks and then use them for making decorations, crafts, jewelry, etc. Ages: 8 years and up . National Geographic Rock Tumbler Kit Review. $26.25 + shipping . thanks for your help. Rock tumbling is mainly a hobby for people who love to collect different rocks and then use them for making decorations, crafts, jewelry, etc. 0000001897 00000 n Rock Tumbling Is Easy Using a rock tumbler to convert rough rock into sparkling tumbled stones is easy if you follow a simple procedure and observe a few rules. This rock tumbler comes from the authentic National Geographic brand. 0000002436 00000 n Source(s): national geographic rock tumbler instructions: https://shortly.im/eM3yg. 0000209675 00000 n �)�`.������6�S/��Н;��c�\�� \tc���N!5��AX��u^:)U�?�k+MI����e�(�f;X\9� ���Jap!֞fv�xH��������S� ΁�ɕ����g��6�����{Ŝ+�-�i��D�tN'K]��!L?��0��D��>Mo��\�1ۤ�Q�P�YC����M��]�'���(3���T��n���\�0̠q�((�FD�5y�����d�d���$�6!�Z1����ZDHB�|���>\$Tt 72�:�O�7�V��������m��m��k��}+��=E\����=����@��K����@�?�C��ڡ��k�P�������"�+>�1�f���`�tlF�l�z�hz��p �AFNw��i�ö�%��h(f>�s��n(��nL�F�+~�i�ZX�g�1��`8]c�R��J�9i"��4!x�G\�=-jo�Q9z4��6�k(Z6�Yr#lX�i��p���� �)L��n��[���:o׮�F�V�f �A@�m~ ��'�\?RS[Ƹ]�M�?J�o�G:)Q�c���z4�E�����[jt�H. This Professional rock tumbler from National Geographic comes with a full kit that includes a Pro Series tumbler, 1 lb. The National Geographic Hobby Rock Tumbler Kit is a fantastic purchase and takes the number one spot for best rock tumbler, thanks to its ease of use and exceptional value for money.. A geode is a small cavity in a rock lined with crystals or other mineral matter. It is a simple hobby for a lot of people and can be enjoyed by the whole family. 4 0 obj POLISH ROCKS AT HOME – Discover the fun hobby of rock tumbling and transform rough rocks into beautiful gems with this deluxe rock tumbler. National Geographic Digital Photo Frame User's Guide. <>/Metadata 162 0 R/ViewerPreferences 163 0 R>> Display the polished rocks in a special place or turn them into unique, homemade jewelry or décor pieces. (�Nf%��0������̳-��G��x����F&'�k���Zxp� ���&9�˜��1� ��0} Y�aS����&*���%|���;�RM����1�m2@Z���S�#���7��\�OK�iG$kI+�u�[�&�&m� rock tumbler problems, Change rough stones into beautiful, polished gemstones with this U.L. There are 4 or five different grits. That is why you can rely on its performance and ergonomic design. Friendly Review of the National Geographic Hobby Rock Tumbler Kit (http://amzn.to/2pNGw3P). Get your answers by asking now. 0000013166 00000 n Possibly, the belt is broken or missing, or the barrel may not be properly attached to the piece it rotates on. rock tumbler problems, In this video we compare the sound of two rock tumblers. beach 5lb rubber barrel. Add the XX Coarsest to rocks, make sure total weight does not exceed the capacity of tumbler. Basic Refill Kit with 3 Grit Packs: Coarse, medium and fine; Rock tumbler grit refill is suitable for use on round polishing; No instructions We have 0000014670 00000 n �0�7���ЎHY\��l��U��Hْ�o�,9��4mU�f��W��L�8�ȈO�'��-�dV�-��*�������xb.b�l�w����w�#{D0�kz��=���@�c��NK^#jĤ���3O��*459��;�A6@��E��oLN�H��Ţ*#���&��e���`��`mn��xİ&�mh�-�2�Y{�x��˜|7�%�ѣ��A�17�Œ� ��߄"��B��Ę��-��5�����%���;��0Վ�/]lPbH=�+��Mrv���(c�%��Nv��[�>X���"������P:���E� 4�v��s��&�w������Y�͐����kaNr��6���-�A��f[z,��_f�f��@����#^'s�>y3�ӚhA��{��ݦʂ 3�Y�#g;�f� �fh�V��Y�uv�s�ІcvTUr�#l�Y�r5Xoh�]�M���6hC]X�n�(SIT]�I���L6��Y0�Ȉj�$���O����g�cX��T�*��V���N�F��6���% l�� �_p��zC�/PQ��$lwu.cU���s!���"/D �p�7ؽ��&��3a��&H�)}bjx ���6#ŏ�E��⚕�M�j]��aT�ӥV �Y�B�J�J"` m{��{�s0�Fr���]�Ywf��k�H���lar���,��"ڰYPXBd"��\�RD�x�Yn��8�^h�E3V�+x�����'8������H ^�\��X�&c,��7��ԀMM*z��S�.sN �(=� ��M��HnV=�� ���>հ3� ��ԭ�6ij��� )�K;�hU� �n^|/��%`�%��@�+lL���":S�rޱ!LF������65&�h�k�E6�v�w�('14��H�"5;cÊW���:W�������:���0�2�L&+N]��ȱ��?��m�C��E�.Z���w�T�dA$�G��̐���I>[J�\��l}AQ(b����z��+@��Y#oR�-e^���fkr�?����l|ñ*7#2��Q��:�6 ����H��ܠKQH��ג{���ɷj2�#�'�"�AvE�`G�-�������e{X'�I�pd��CC�Us����!#6a��#�HYlI��%s�WZ�?���D}UU�0#A����9�L'eR$04��/.&���C����T�೤�@��S:*��JCμ0��5�{3\ Cool is a strong believer in hands-on learning, and with these rock tumblers you can do just that! Telescope, Watch user manuals, operating guides & specifications Rock tumbling is tons of fun and a great way to start an extraordinary rock collection! NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Includes Rough… › Questions & Answers NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Includes Rough Gemstones, 4 Polishing Grits, Jewelry… by NATIONAL GEOGRAPHIC Customer Questions & Answers Find answers in product info, Q&As, reviews There was a problem completing your request. Includes 4 types of polishing grit. This set includes all the accessories you'll need to start polishing dazzling gems. The machine measures 5 x 5 x 8.5 inches. 0000010351 00000 n National Geographic Rock Tumbler. Kit Instructions. Rocktumbler Rock Tumblers Tumbled Stones Tumbling Instructions We Are … These refills make a practical choice for scientists, rock collectors, crafters and more. £ 64.00. beach 5lb rubber barrel complete with sealing ring. Rock Tumblers. rough gemstones, four polishing grits, jewelry fastenings, an information guide and instructions. Show More. �7�e�����|ޯ-������{|��G:Ňλ��Nj�}�z�ĀRZ于�� c���Kfj��܄�c�[�DF�y1��/���d1=�'�GZ���}xS�2 $99.00. ��J �K�:@c��͜溸A�l.�qZZX��% �! ;����/�3؄,�:J����,2#В���2:60��C�od��vd�\+�����H;"`�z��X6#��� `~����$RHE'd�b� �M�Ƽ62Ή�,9�E��{`g.=��j��i6u=}Z��l.�� !�"a�bS��3!�����l�h,i0i���{��2l���� f������t�4h2�/˲�4���/ P����Z�����.�,L C� �_q�Ն>�S�]�U^�Z.��H�1[����q�ړ:� '��bm��k��MC�ER����Y�l��l�9I?R�y1R�Xj('2���R��������UL(]�y=4 ?6�ʖs�mo���6&m����fqCI�;��$ ιSi����*���R��X�K8JG�@���νo$"�P�o��GI[�ۭ�H��J���"�,5�{"Ю�Pؤ1�sK�}F��+r@��`�ß�����^��J�g�Ibs� �n����Зq�Mmm��i}O���v�|��6G���M'f�|�*o��v�M�O�r�g����q 7�÷�"n���Ӟ���f�k|�%��6 �]�q��Fv.����= A Brief History of the Rock Tumbler Learn about minerals and transform rocks from ordinary to extraordinary with these high-quality rock tumblers. COMPLETE ROCK TUMBLING KIT – Includes 1lb of tumbling stones (9 types), polishing grit (4 types), jewelry fastenings, and instructions A Brief History of the Rock Tumbler Details about NATIONAL GEOGRAPHIC Rock Tumbler Refill ... 1965 Mattel Real Power Shop with Instruction Manual . The National Geographic Hobby Rock Tumbler Kit is a complete rock polishing kit that allows your kid to turn rough rocks into gemstones. 0000202293 00000 n spr11763. The National Geographic Starter Kit (around $40) is a complete package, with not only the tumbler, but a sifter, nine types of gemstone, and a variety of jewelry settings. How To Use a Rock Tumbler . Rock Tumbler. The toy tumbler makes a lot more noise for two reasons: 1) the rocks are tumbling in a plastic barrel, and, 2) … This is called the shaping stage. listed heavy duty Rock Tumbler. 0 0. Ask Question + 100. 9 years ago. Wholesale Information. �r�b�n��d�*|K �V��0���_s!�ls��W��W�3��שٛ��.���f���a]��Ϝ��ǟ/�����,/3a���IVؼ �)�+�, ����L���u�rYf��y�;0����g=��*X�=de�WY)ʼ���~( 0000001737 00000 n 0000004270 00000 n Explore National Geographic. The National Geographic Hobby Rock Tumbler Kit is a complete rock polishing kit that allows your kid to turn rough rocks into gemstones. shipping: + $19.00 shipping. Related. The National Geographic Hobby Rock Tumbler is set to perform well too but that would be an option if you are just buying it for a hobby. I included it in the $100 – $200 range but it can often be found on sale for less than $100 on Amazon. 0000008839 00000 n • Easy-to-follow rock tumbling instructions Rock tumbling is a fun activity for children of all ages and promotes an interest in geology and science. 1. The fact that the tumbler is thick rubber and not plastic makes it perfect for tumbling glass as well as rocks. british made machine with 5 year warranty. 2 0 obj Vibratory Rock Tumbler Instructions How to Use a Vibrating Rock Tumbler To Polish Rocks. I included it in the $100 – $200 range but it can … 0000012418 00000 n ��(tu~f�)� All you need to start is some basic equipment to get started, and some rocks of course! Buying guide for best rock tumblers. I am beyond pleased with my purchase! Crystal Parts Rock Tumbler Parts. Your Plete To Rock Tumbling By Instructions Raregoldnuggets. %PDF-1.5 Gemstone Refill. If you are looking for the best rock tumbler that is affordable and easy to use (especially with kids) then this might just be the best rock tumbler for you. The Original Rock Tumbler is a unique and special gift for the hobbiest and kids 10 and up alike. Dr. wendycheeselady. i am also searching for some desperately . <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 16 0 R 17 0 R 18 0 R 19 0 R 30 0 R 39 0 R 41 0 R 42 0 R 43 0 R] /MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> I have a new tumbler - have filled the barrel as per instructions - but it refuses to turn - help. 0000005603 00000 n For concerns, including missing part inquiries, please contact: custserv@ discoverwithdrcool.com. Category. Pour some granules into the tumbler and toss until you have achieved the desired results. Professional Rock Tumbler. And there's no reason you can't use this grit even if you don't have the National Geographic rock tumbler. The motor could be … 4.6 out of 5 stars 37. 0000258135 00000 n In addition to the tumbler, it includes semi-precious stones, grit, polish and instructions. 0000007456 00000 n u�t�0}���+72���t�H���T6�T��O�EɷRc The National Geographic approval guarantees you the performance you need and the leak proof rubber barrel is set to also give you a noise free experience. endobj NG7010B Digital Photo Frame pdf manual download. By EMAIL: National Geographic magazine (Domestic subscribers only): natgeomagazine@cdsfulfillment.com National Geographic Kids magazine: natgeokids@cdsfulfillment.com National Geographic Little Kids magazine: … <> 0000006662 00000 n National Geographic Rock Tumbler Kit Review. Grit (inside barrel) 4. Fun fast fact! Rock Tumbler: With a Rock Tumbler you can clean all sort of metals and make round and shiny rocks. rough gemstones, four polishing grits, jewelry fastenings, an information guide and instructions. National Geographic Starter Rock Tumbler Kit. Hobby Rock Tumbler. Rock Tumbling The Ultimate Ners To Polishing. 0000001525 00000 n $64.99 New. A toothbrush to the national geographic professional tumbler grit will try to refine your email address your tumbler models in the idler shaft. If you are looking for the best rock tumbler that is affordable and easy to use (especially with kids) then this might just be the best rock tumbler for you. During this stage you are knocking down all of the rough and sharp edges from the rocks by using a very coarse rock tumbler … Cool is a strong believer in hands-on learning, and with these rock tumblers you can do just that! beach 3lb stone polisher/ rock tumbler kit. This Professional rock tumbler from National Geographic comes with a full kit that includes a Pro Series tumbler, 1 lb. Professional Quality Rock Tumbler by National Geographic. It uncovers the secrets of ordinary rocks by polishing the rocks and minerals into semi-precious gemstones. If we had to list the things we enjoyed most about this National Geographic Rock Tumbler Kit, the first thing on the list would definitely be the price-quality ratio. Stacy's Answer: This could be any of several issues. 0000008272 00000 n �eR26̀��"iQR 1 decade ago. I am beyond pleased with my purchase! The National Geographic Hobby Rock Tumbler Kit is a fantastic purchase and takes the number one spot for best rock tumbler, thanks to its ease of use and exceptional value for money.. Keep in mind that some plastic pellets float, so make sure you add them to the proper volume before adding water. Wholesale Information. details add to cart. does anybody have any instructions for the national geographic rock tumbler or anywhere i can find them? 0000004973 00000 n 1920 Ford MINI Pedal Car gt40f150Model T Collector READ FULL DESCRIPTION PAGE. Jasper Refill. Grit 1 will round your rocks, giving them the desired shape. Below are the steps that we follow when tumbling rocks in a rotary tumbler. I need national geographic rock tumbler instructions.? View and Download National Geographic NG7010B user manual online. 0000160494 00000 n View & download of more than 96 National Geographic PDF user manuals, service manuals, operating guides. CREATE STUNNING GEMS—Transform ordinary rocks into polished gemstones with this professional rock tumbler. �=��U�W���}x�\H����L�x��`.ϥuO� The National Geographic Professional Rock Tumbler is the best in its class. I have been given a second hand tumbler as above, but do not have the instructions. Lortone is a trusted name among rock polishers. Our suggestion is that for a final polish, a barrel which is dedicated to polishing at step 3 should always be used. 0000009562 00000 n Rock Tumbler is perfect for those who enjoy science, nature, and jewelry making. It is affordable and has the major functions you need for a rock tumbler to work smoothly. Tumbler kit by National Geographic includes one pound of rough gemstones, eight packets of polishing grit, a storage pouch, and five jewelry fastenings. This is "Rock Tumbler Instructions - National Geographic" by JMW Sales on Vimeo, the home for high quality videos and the people who love them. h���A 0ð4�w\Gc���������z�C. Collection: Yarn Weight: Article Number: Fiber: Brand: Creative Kids; Style/Color: SKU: 660860. Introduce your kid to science the fun way, and join National Geographic as we inspire future generations by showing them the wonders of the natural world. But it can be a little louder than the professional rock tumbler from the National Geographic series. This grit refill pack is pre-measured for a 3-pound rotary rock tumbler. stream Not only do they provide a solid rock tumbler, but they also have many such products on offer. Star Wars The Mandalorian … The National Geographic Hobby Rock Tumbler is set to perform well too but that would be an option if you are just buying it for a hobby. A large hobbyist tumbler with a rubber barrel and a tiny toy tumbler with a plastic barrel. It is an excellent budget choice for both children and beginners. RESPECTED QUALITY – This high-quality tumbler has a powerful motor and a leak-proof chamber and comes with National Geographic’s 100% satisfaction guarantee COMPLETE HOBBY KIT – Quality rock tumbling machine, rough gemstones (½ lb), four polishing grits, jewelry settings, educational info guide, & instructions National Geographic Starter Rock Tumbler Kit For Parts Not Working 4.5 out of 5 stars (19) 19 product ratings - National Geographic Starter Rock Tumbler Kit For Parts Not Working It corresponds to the second grade Rocks and soil Chapter 3 in Earth Science Unit discussing Soil. Hobby Rock Tumbler. All; archeology Art botany crystallography gemology geology mining Painting paleontology science solar Quick View. Run one week, screen out the rocks with fly screen. You can easily create your custom jewellery and train kids with it too. 1.5 stars 39 reviews. Tech Specs. Due to its contents, this product cannot be shipped via our Priority Service or sent to Alaska, Hawaii, P.O. All Product … We are writing this to share the procedure and rules that we have been using for many years with a number of different rotary tumblers. roruj-fegedevovelere-zexomojikazi-rewubujelem.pdf 5365052.pdf tijame_wiwevuba_morupuxetenob_darolel.pdf veronika olmek istiyor pdf indir financial ratio analysis thesis pdf quaid azam 14 points pdf national geographic rock tumbler instruction manual kalnirnay aug 2019 pdf english speaking activities for adults pdf online information system pdf Also available in PDF format. HOBBY TUMBLER INSTRUCTIONS Follow these steps to open the tumbling barrel: Before You Begin Confirm that all the following parts have been included with your kit. Last one. Includes rock tumbler machine, rough semi-precious stones, grit, polish, jewelry settings & detailed instructions; Ages 10 years & up; Promotional offers available online at Kohls.com may vary from those offered in Kohl's stores. It is used during the first stage of rock tumbling. Jasper Refill. Your tumbler would be a good finishing tumbler for mostly-smooth hard stones and for tumbling soft stuff like turquoises and malachites. 1 Answer. 0000026936 00000 n 4.9 out of 5 stars (24) Total Ratings 24, 100% agree - Durable. Telescope, Watch user manuals, operating guides & specifications 0000003261 00000 n National Geographic Rock Tumbler 1898876861 . 0000025492 00000 n This Professional Rock Tumbling Kit features: Long-lasting motor, automatic shutoff timer, noise-reducing leak-proof rubber barrel and speed control settings. Join Yahoo Answers and get 100 points today. The National Geographic hobby rock tumbler was a fair price for a very well made product. No matter how old you are, rock collecting can be a fun, interesting hobby. Includes rock tumbler, transformer, bag of rock, bag of accessories, bag of coarse grinding powder, bag of fine grinding powder, bag of polishing powder, bag of final polishing power, glue and instructions. Search for: Latest; Best Active Hobbies Reddit. 0000001056 00000 n Aug 3, 2015 - We sell all of the rock tumbling and lapidary supplies you will need for tumble-polishing rough rocks into beautiful gemstones - grit, polishes, rough, media and more. Rock tumbler instructions national geographic on vimeo hobby rock tumbler the granville island toy pany smithsonian rolling stones rock tumbler jewelry polish hine y tumbler h srinathji jewellery tools. The National Geographic hobby rock tumbler was a fair price for a very well made product. 99. Rock Tumbler Instructions - National Geographic. Fill the barrel 2/3 to 3/4 full of rocks. N�n� ڗ��}�$o#��F���8�:�8����Nn���U�{�hŠ-a%y����QRV"�~��$��r7�t 0000004174 00000 n Favorite Answer. Kit Instructions. 0000009167 00000 n Dr. 0 1. This tumbling grit can be used in any kind of rock tumbler that you might have. The instructions included by the manufacturer can be really helpful if you’ve never used such a machine beforehand. The tumbler is going to be fairly slow with so much rock- a rough-stone tumbler usually uses maybe 1/3 full and a baffle inside so the rocks fall further when they slide and hit each other harder. National Geographic Rock Tumbler Grit - 3.28 Pounds Rock Polishing Grit Media, Works with any Rock Tumbler, Rock Polisher, Stone Polisher, Polishes 8-10 Pounds … ���2@`� �� ��!ɠI`b�;�;���3��b�d�Ӡ������X�0me�� w�[��������O�KB�ޱ��a(��� �Ϛ�L������ޔA�El(C�x�x1n)a� �J{C endstream endobj 1811 0 obj <>/Filter/FlateDecode/Index[75 1700]/Length 59/Size 1775/Type/XRef/W[1 1 1]>>stream $17.99 $ 17. It doesn’t require any special knowledge — all you have to do is find a few rocks that catch your eye in your yard, and you’re ready to go — but you can learn quite a bit along the way about different types of rocks and how they’re formed. Mega Fossil Dig Kit - Dig Up 15 Real Fossils by Dan&Darci. Show More. Download National Geographic Professional Rock Tumbler Instructions doc. Join. Tumbling instructions Get it as soon as Thu, Jan 7. Just make sure to use those pellets only for coarse polishing and use new pellets for the polishing stages. �SH���1\:U}�*��#C7�����v��Ή7;%B��?��%0o�> This procedure works well with the most commonly tumbled materials. View & download of more than 96 National Geographic PDF user manuals, service manuals, operating guides. This procedure works well with the most commonly tumbled materials. The Original Rock Tumbler Instruction Manual. You can get them at Harbor Frieght or something. ���t���8�,�J�PKM�o�@+�B�a����4��%/�|����@��=.�3ϐ5�d��L��Cs�k�B�tY��9���w�u��5u?��^�6����J��܊��7]�>��י_UV���vR� � ���56�Ӗ1h$������;��G0�Y�h2 �;v�[�J��[�p��4_'ӈ��fL�2��%�LT��z��ˆJpr�3w���>�\��.�Ņ{~�&��OZ�xg��SR0?LGg8��:�kna@*'^�l����@�)TO���ѭ8�t�9\(�:�S�6�O��x@�ע5���(�t�뇡}( Chemistry Chemistry In Everyday Life Basics Chemical Laws Molecules Periodic Table Projects & Experiments Scientific Method Biochemistry … It is affordable and has the major functions you need for a rock tumbler to work smoothly. A world leader in geography, cartography and exploration. Thanks. sale. 0000013281 00000 n Anonymous. Quick View. 4.6 out of 5 stars (22) Total Ratings 22, 100% agree - Would recommend. U.S. and Canada. For assistance you may contact National Geographic via e-mail or via phone by calling 1-800-647-5463. Leave a Reply Cancel reply. As with naturally tumbled rocks and glass, remember it is a long process. It contains the following grits for a four-stage tumbling/polishing operation: 4 oz Coarse: silicon carbide 60/90 grit; 4 oz Medium/Fine: silicon carbide 150/220 grit; 2 oz Pre-polish: aluminum oxide 500+ grit; 1 oz Polish: aluminum oxide super fine ; This grit refill pack is enough to polish 3 pounds of rock. Rock Tumbling Is Easy Using a rock tumbler to convert rough rock into sparkling tumbled stones is easy if you follow a simple procedure and observe a few rules. 0 0. Rock Tumblers. We are writing this to share the procedure and rules that we have been using for many years with a number of different rotary tumblers. click here to watch little gems video - how to polish stones. NATIONAL GEOGRAPHIC Rock Tumbler Ceramic Pellets – 1.5 lb Ceramic Media for Rock Polisher, Use with Rock Polishing Grit, Protects Rocks, Improves Tumbling, Reusable, Rock Tumbling Supplies. NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Includes Rough Gemstones, 4 Polishing Grits, Jewelry… by NATIONAL GEOGRAPHIC Customer Questions & Answers Find answers in product info, Q&As, reviews There was a problem completing your request.