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Rock Tumblers - 43


Save on Rock Tumblers at Geometry DK. Top brands include Fundamental Rockhound, MJR Tumblers, ROCK, Rockhound's 1st Choice SC Ceramic Media, Rockhound's First Choice Mexican Amethyst Agate, Unknown, Rockhound's First Choice Botswana Agate, Rockhound's 1st Choice Ceramic Media, & RTumbler Professional Grade Rock Polishing Grit. Hurry! Limited time offers. Offers valid only while supplies last.



Fundamental Rockhound Products: 5 Step Rock Tumbling GRIT KIT for 6 pound tumbler SINGLE USE! 8oz each: Extra Coarse, Coarse, Medium, Fine grits, 4 oz polish Grit Saver Refill
Fundamental Rockhound Products: 5 Step Rock Tumbling GRIT KIT for 6 pound tumbler SINGLE USE! 8oz each: Extra Coarse, Coarse, Medium, Fine grits, 4 oz polish Grit Saver Refill
By Fundamental Rockhound
In Stock
$25.96

mpn: 6lb_5stage, ean: 0740781120602,

4.0 out of 5 stars with 214 reviews
Five easy to use pre-measured packets of grit and polish. Enough for a single tumble using a 6 pound barrel.Single use kit for a 6 pound tumbler barrel. Enough to tumble 6 pounds of rock.. Pre-measured packets of Extra Coarse, Coarse, Medium, and Fin...


MJR Tumblers 2 lb Silicon Carbide 50 Rock Grit
MJR Tumblers 2 lb Silicon Carbide 50 Rock Grit
By MJR Tumblers
In Stock
$14.50

mpn: unknown,

4.6 out of 5 stars with 7 reviews
2 Pounds of 50 Grit Silicon CarbideComes with FREE Polishing InstructionsWe use a superior blend of Green/Black Silicon Carbide for our first stage. Green Silicon Carbide is of higher purity than Black Silicon Carbide, therefore it will work faster t...


Llanite-Rock Tumbler Rough Rocks Specimens Llano County, Texas 8 oz.
Llanite-Rock Tumbler Rough Rocks Specimens Llano County, Texas 8 oz.
By ROCK
In Stock
$14.99

mpn: 43235-149527, ean: 4903563173777,

4.8 out of 5 stars with 72 reviews
Llanite is a hypabyssally intruded variety of rhyolite with phenocrysts of microcline and euhedral quartz. The quartz crystals are blue hexagonal bipyramids. The unusual blue coloration of the quartz is thought to be due to ilmenite inclusions.It is ...


Rock Hound's 1st Choice Rock Tumbler SC Polishing Ceramic Media Big 1/2 Lb Bag
Rock Hound's 1st Choice Rock Tumbler SC Polishing Ceramic Media Big 1/2 Lb Bag
By Rockhound's 1st Choice SC Ceramic Media
In Stock
$14.99

mpn: unknown, ean: 4903563173869,

4.9 out of 5 stars with 24 reviews
What is ceramic tumbling media and why is it used? Ceramic tumbling media can take form in many different sizes, shapes and colors. It's ceramic composition can be variable. Sizes and shapes vary greatly- It can be cylindrical ,triangular or square. ...


MJR Tumblers 5 lb Silicon Carbide 1500 Rock Grit Polish
MJR Tumblers 5 lb Silicon Carbide 1500 Rock Grit Polish
By MJR Tumblers
In Stock
$59.36

mpn: MJR5p1500,

4.8 out of 5 stars with 172 reviews
5 Pounds of 1500 Grit Silicon Carbide (step 4/5), PolishUse this as the 4th Polish Stage or as a 5th (Second Polish) Stage.Comes with FREE Polishing Instructions.We have a large selection of heavy duty tumblers. We offer a full range of silicon carbi...


Rock Tumbler Gem Refill Kit Mexican Amethyst Lace Agate Rough 8 oz by Mexico Nature
Rock Tumbler Gem Refill Kit Mexican Amethyst Lace Agate Rough 8 oz by Mexico Nature
By Rockhound's First Choice Mexican Amethyst Agate
In Stock
$15.99

ean: 4903563173579,

4.0 out of 5 stars with 179 reviews
Amethyst Lace Agate is an uncommon & highly desirable variety of banded Chalcedony, a mineral of the Quartz family. It is predominantly purple, with layers of creamy browns, reds, blacks and grays. Some may include layers of yellow ochre, gold, scarl...


Rock Tumbler Gem Refill Kit True Africa Golden Tiger Eye Tumbling Rough 8oz
Rock Tumbler Gem Refill Kit True Africa Golden Tiger Eye Tumbling Rough 8oz
By Unknown
In Stock
$13.99

mpn: Africa Golden Tiger Eye, ean: 4903563173739,

4.2 out of 5 stars with 268 reviews
Tiger's eye (also called tiger eye) is a chatoyant semi-precious gemstone that is usually a metamorphic rock that is a golden to red-brown colour, with a silky lustre. Members of the quartz group, Tiger's eye and the related blue-coloured mineral Haw...


MJR Tumblers 3 lb Silicon Carbide 500/600 Rock Grit
MJR Tumblers 3 lb Silicon Carbide 500/600 Rock Grit
By MJR Tumblers
In Stock
$21.11

mpn: unknown,

4.0 out of 5 stars with 130 reviews
3 Pounds of 500/600 Grit Silicon Carbide (step 3), Pre-PolishComes with FREE Polishing InstructionsWe have a large selection of heavy duty tumblers. We offer a full range of silicon carbide grit (50, 80, 60/90, 500, 600, 500/600 and 1500) and aluminu...


MJR Tumblers 5 lb Silicon Carbide 80 Rock Grit
MJR Tumblers 5 lb Silicon Carbide 80 Rock Grit
By MJR Tumblers
In Stock
$25.99

mpn: MJR5p80,

4.3 out of 5 stars with 63 reviews
5 Pounds of 80 Grit Silicon CarbideComes with FREE Polishing InstructionsWe use a superior blend of Green/Black Silicon Carbide for our first stage. Green Silicon Carbide is of higher purity than Black Silicon Carbide, therefore it will work faster t...


MJR Tumblers 4 lb Silicon Carbide 60/90 Rock Grit
MJR Tumblers 4 lb Silicon Carbide 60/90 Rock Grit
By MJR Tumblers
In Stock
$23.46

mpn: MJR4p60/90,

4.6 out of 5 stars with 243 reviews
4 Pounds of 60/90 Grit Silicon CarbideComes with FREE Polishing InstructionsWe use a superior blend of Green/Black Silicon Carbide for our first stage. Green Silicon Carbide is of higher purity than Black Silicon Carbide, therefore it will work faste...


MJR Tumblers Rock Grit Kit for 25 lb Tumbler
MJR Tumblers Rock Grit Kit for 25 lb Tumbler
By MJR Tumblers
In Stock
$42.98

mpn: MJR25pgkp,

4.0 out of 5 stars with 245 reviews
Grit Kit for 25 pound Rock Tumblers26 ounces of 60/90 Graded Silicon Carbide Grit (Step 1) 26 ounces of 120/220 Graded Silicon Carbide Grit (Step 2) 13 ounces of 500/600 Graded Silicon Carbide Grit (Step 3) 13 ounces of 1200 Aluminum Oxide Polish (St...


MJR Tumblers 1 lb Silicon Carbide 80 Rock Grit
MJR Tumblers 1 lb Silicon Carbide 80 Rock Grit
By MJR Tumblers
In Stock
$11.89

mpn: unknown,

4.6 out of 5 stars with 124 reviews
1 Pound of 80 Grit Silicon CarbideComes with FREE Polishing InstructionsWe use a superior blend of Green/Black Silicon Carbide for our first stage. Green Silicon Carbide is of higher purity than Black Silicon Carbide, therefore it will work faster th...


Rock Tumbler Gem Refill Kit Old California Miner's Mix Rough 8 oz
Rock Tumbler Gem Refill Kit Old California Miner's Mix Rough 8 oz
By Unknown
In Stock
$14.99

mpn: 6879142, ean: 4903563173586,

4.2 out of 5 stars with 158 reviews
All this material comes from places that this old miner roamed in the deserts of California.He has collected over the last 40+ years . He either hand selected these pieces from the grounds or traded from other gatherers. This Tumbling Rough hoard whi...


Rock Tumbler Gem Refill Kit - Botswana Agate Rough, S. Africa, Bold Banding, 8 oz
Rock Tumbler Gem Refill Kit - Botswana Agate Rough, S. Africa, Bold Banding, 8 oz
By Rockhound's First Choice Botswana Agate
In Stock
$16.99

mpn: BA, ean: 4903563174118,

4.3 out of 5 stars with 27 reviews
Botswana Agate from Botswanna, South Africa is a variety of banded Chalcedony, a mineral of the Quartz family. Agates are found all over the world, however this particular form of Agate is found exclusively in Botswana. Botswana Agate is a rare type ...


Rock Hound's 1st Choice Rock Tumbler Polishing Ceramic Media Big 1/2 Lb Bag
Rock Hound's 1st Choice Rock Tumbler Polishing Ceramic Media Big 1/2 Lb Bag
By Rockhound's 1st Choice Ceramic Media
In Stock
$14.99

mpn: unknown, ean: 4903563173661,

4.6 out of 5 stars with 115 reviews
What is ceramic tumbling media and why is it used? Ceramic tumbling media can take form in many different sizes, shapes and colors. It's ceramic composition can be variable. Sizes and shapes vary greatly- It can be cylindrical ,triangular or square. ...


Rock Polishing Tumbling Grit For 15 lb Tumblers In Jars
Rock Polishing Tumbling Grit For 15 lb Tumblers In Jars
By RTumbler Professional Grade Rock Polishing Grit
In Stock
$29.99

mpn: Grit Jar, ean: 0711081291866,

4.1 out of 5 stars with 152 reviews
4 step grit set with instructions for use in a 15 pound tumbler, or 5 3lb tumbles;1 pound 60/90 Coarse Silicon Carbide Grit;1 pound 120/220 Medium Silicon Carbide;8 ounces 500 Fine (pre polish) Silicon Carbide Grit;8 ounces 1200 Aluminum Oxide Polish...


MJR Tumblers Rock Grit Kit for 6 lb Tumbler
MJR Tumblers Rock Grit Kit for 6 lb Tumbler
By MJR Tumblers
In Stock
$14.50

mpn: unknown,

4.0 out of 5 stars with 116 reviews
Grit Kit for 6 pound Rock Tumblers6 ounces of 60/90 Graded Silicon Carbide Grit (Step 1) 6 ounces of 120/220 Graded Silicon Carbide Grit (Step 2) 3 ounces of 500/600 Graded Silicon Carbide Grit (Step 3) 3 ounces of 1200 Aluminum Oxide Polish (Step 4)...


MJR Tumblers 3 lb Silicon Carbide 80 Rock Grit
MJR Tumblers 3 lb Silicon Carbide 80 Rock Grit
By MJR Tumblers
In Stock
$18.36

mpn: unknown,

4.5 out of 5 stars with 160 reviews
3 Pounds of 80 Grit Silicon CarbideComes with FREE Polishing InstructionsWe use a superior blend of Green/Black Silicon Carbide for our first stage. Green Silicon Carbide is of higher purity than Black Silicon Carbide, therefore it will work faster t...


MJR Tumblers 1 lb Silicon Carbide 600 Rock Grit, Pre-Polish
MJR Tumblers 1 lb Silicon Carbide 600 Rock Grit, Pre-Polish
By MJR Tumblers
In Stock
$12.50

mpn: unknown,

4.6 out of 5 stars with 80 reviews
1 Pound (16 oz) of 600 Grit Silicon Carbide (step 3), Pre-PolishComes with FREE Polishing InstructionsWe have a large selection of heavy duty tumblers. We offer a full range of silicon carbide grit (50, 80, 60/90, 500, 600, 500/600 and 1500) and alum...


MJR Tumblers 5 lb Silicon Carbide 60/90 Rock Grit
MJR Tumblers 5 lb Silicon Carbide 60/90 Rock Grit
By MJR Tumblers
In Stock
$25.99

mpn: MJR5p60/90,

4.9 out of 5 stars with 298 reviews
5 Pounds of 60/90 Grit Silicon CarbideComes with FREE Polishing InstructionsWe use a superior blend of Green/Black Silicon Carbide for our first stage. Green Silicon Carbide is of higher purity than Black Silicon Carbide, therefore it will work faste...



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