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GEOLOGY KITS & MATERIALS

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Showing 1 - 9 of 24 Incredible Things
BREAK YOUR OWN GEODES
Break Your Own Geodes
Pop one of these roughly 1-1/4" dia stones into the toe of a sock, smash it with a hammer, and be the first person ever to see your real-as-Nature-makes-it geode!! Ninety percent of them have the familiar beautiful white crystals inside. Formed by volcanic action, they are found all over the world, but ours are from Mexico. There is no way to tell from the outside if they have crystal centers, but we will send you two just to raise your odds, and we haven't had a dud yet in our stores!! Much much more fun and satisfaction than buying one already cracked.
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$3.50 PKG (2)
25 PIECE GEMSTONE SET
Add Some Polish To Your Life
Lovely to look at, delightful to make jewelry out of. Our (25) piece set of polished gemstones includes: amethyst; howlite; tiger eye; hematite; amazonite; carnelian; sodalite; turqurenite; plain and rose quartz; rhodonite; unakite; snowflake obsidian; orange calcite; lemon jade; four varieties of jasper (serpentine; red, brecciated, picture and blue dalmation); and more. All approx 5/8" across.
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$6.85 EACH
BRIGHTLY COLORED POLISHED GEMSTONES
Box of Rocks
About 30-40 highly polished stones, all shiny, translucent, or brightly colored, ranging from 3/4" long to 1/8" long. Great for mosaics, jewelry, or aquariums.
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$2.85 EACH
QUARTZ CRYSTALS
Crystal Clear Geological Bargain
From Brazil, rescued from the guts of quartz crystal antennae, these clear rock crystals are pebble sized (some maybe 3/8" long, most smaller). We're thinking classrooms and microscopes, small jewelry items, or, at these prices, a nice little bowl of crystals for the table. Each small box contains approx 2-1/4 oz of crystals. We'll send you (2) boxes, which will about fill a test tube if combined.
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40313P2 QUARTZ CRYSTALS
SALE $2.50 PKG (2)
WAS $4.50 PKG (2)
SAVE $2.00 (44%)
GEOCENTRAL® 9-PIECE FLUORESCENT ROCKS KIT
Boxes Of Rocks
Earth science rocks. Start your young scientists off  with one of these rock kits from GeoCentral®. The basic rock kit has (15) examples of metamorphic, sedimentary and igneous rock; the mineral kit has (15) samples of things beyond simple rockness, such as quartz, alabaster and talc; fluorescent rock kit has (9) examples of  (7) rocks that glow, including lapis lazuli and green fluorite, plus a UV penlight. All include an 11-page booklet, magnifier and a streak plate.
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$12.95 EACH
POLISHED AGATE
Slices Of Agate
Our best and prettiest-ever slices of polished agate, showing concentric rings of natural and dyed colors. The slices range from 3" to 4-1/2" across and from 1/8" to 3/16" thick. We've seen samples from milky white to blue, purple, red, yellow and brown. No two alike, by definition. We'll choose. Think scientific specimens, framed art, coasters, trivets, paperweights, or skipping stones for rich kids who don't want to search the beach for flat stones.
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94131P1 POLISHED AGATE
$4.95 EACH
TEKTITES
The Driest Rocks On Earth
Tektites, called glass rocks, are formed when meteorites from outer space crash into our home planet and, by Jupiter, no rock collection is complete without one! The driest of all rocks, tektites are black to olive-green, and average less than .005% water. These samples will be roughly 1/2" to 1-1/4", and you'll get (2) to (4) of them, depending upon their size.
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93975P1 TEKTITES
$2.75 EACH
SAMPLE GEMSTONE
It's a Little Gem!
Actually, it's a set of (36) different little polished gemstones and minerals from around the world, all identical sizes (1/2" x 3/8" x 1/8" thick), mounted and identified by name and origin on an 8" x 10" card. Super nice at a super price, for teachers, designers or jewelry makers. The set includes amazonite, amethyst, aventurine, black obsidian, blue lace agate, buttermilk jasper, carnelian, Dalmatian dacite, dumortierite, fancy jasper, fluorite, gold stone, hematite, howlite, jadeite, lapis, leopard skin jasper, mahogany,obsidian, moss agate, nephrite, Picasso jasper, orange calcite, picture jasper, rainbow jasper, rose quartz, rhodonite, rock crystal, rhyolite, red jasper, snowflake obsidian, sodalite, serpentine, tiger eye stone, turquoise and unakite.
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92883P1 SAMPLE GEMSTONE
$6.95 EACH
LARGE PANNING SIEVE
Leaks Like A Sieve
It leaks like a sieve because it is a sieve. And a big'un at 13-1/4" top diameter with a reinforced stainless steel screen at 11" across on the bottom. Fits nicely on a 5 gallon bucket. CJ says it's for mineral panning or archaeological fieldwork, but some of us think it's from a lost 5-foot tall Mr. Coffee. With a mesh size of 1/20", we'd use it to pan for gold.
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$9.75 EACH
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Showing 1 - 9 of 24 Incredible Things
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