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Calcite
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8.5" Colorful Free-Standing Polished Jasper
$49
8.5" Polished Biggs Jasper Slab - Oregon
$595
8.5" Polished Petrified Cycad (Cycadales) Fossil
$595
8.5" Polished Chert Breccia Section - Western Australia
$95
8.5" Nipomo Sagenite Agate Slab - Freddie Quarry, California
$175
.7" Gemmy Adamite Crystals on Matrix - Ojuela Mine, Mexico
$7
1.1" Cuprian Adamite Crystals on Matrix - Ojuela Mine, Mexico
$19
1" Gemmy Adamite Crystals on Matrix - Ojuela Mine, Mexico
$9
1.9" Gemmy Adamite Crystals on Matrix - Ojuela Mine, Mexico
$15
1.25" Yellow Adamite Crystals on Matrix - Ojuela Mine, Mexico
$15
7.6" Fluorescent, Bubbly Adamite on Limonite - Ojuela Mine, Mexico
$695
7.1" Fluorescent Hexagonal Calcite Crystals - China
$295
8.5" Cut & Polished, Agatized Ammonite Fossil - Madagascar
$305
2.9" Botryoidal Austinite on Limonite - Ojuela Mine, Mexico
$35
1.3" Limonite Pseudomorphs after Köttigite - Ojuela Mine, Mexico
$15
2.7" Malachite and Aurichalcite Crystals with Calcite - Mexico
$25
3.9" Polished, Free-Standing Green Pistachio Opal - Madagascar
$35
3.6" Polished, Free-Standing Green Pistachio Opal - Madagascar
$25
2.2" Polished Purple Passion Agate Slice - Chihuahua, Mexico
$39
6.5" Multi-Colored, Stepped Fluorite on Milky Quartz - Inner Mongolia
$445
5.7" Multi-Colored, Stepped Fluorite on Milky Quartz - Inner Mongolia
$345
5.1" Fibrous Aurichalcite, Hemimorphite, & Calcite Association -Mexico
$19
8.5" Polished "Packsaddle" Tiger Eye Slab - Western Australia
$225
3.8" Free-Standing, Polished Garnetite (Garnet) - Madagascar
$35
4.2" Free-Standing, Polished Garnetite (Garnet) - Madagascar
$32
3.6" Free-Standing, Polished Garnetite (Garnet) - Madagascar
$29
3.3" Free-Standing, Polished Garnetite (Garnet) - Madagascar
$25
4.1" Glass-Clear, Green Cubic Fluorite Crystals on Quartz - China
$99
2.7" Free-Standing, Polished Bumblebee Jasper - Indonesia
$25
6.3" Highly Fluorescent Calcite Crystal Cluster - Wenshan Mine, China
$495
3.6" Limonite Cast Pseudomorph - Ojuela Mine, Mexico
$19
5.15" Polished Banded Black River Agate - Argentina
$125
4.7" Polished Colorful Plume Agate Slab - Java, Indonesia
$19
2.4" Quartz Crystal Cluster with Epidote Inclusions - China
$45
5.5" Colorful, Polished Patagonia Agate - Highly Fluorescent!
$295
3.65" Oceanic Chrysocolla and Shattuckite Slab - Mexico
$95
6.1" Free-Standing, Polished Honeycomb Calcite - Utah
$75
6.3" Free-Standing, Polished Honeycomb Calcite - Utah
$65
2.8" Fibrous Aurichalcite Aggregations with Bladed Calcite - Mexico
$19
3" Fluorescent Calcite Crystal (New Find!) - Potosi Mine
$29
3.5" Fluorescent Calcite Crystal Cluster (New Find!) - Potosi Mine
$45
3.3" Multi-Generation Calcite Cluster with Hematite Inclusions - China
$75
3.7" Unique, Fluorescent Cave Calcite Formation - Wenshan Mine
$99
5.3" Colorful, Polished Patagonia Agate - Argentina
$295
4.5" Colorful, Polished Patagonia Agate - Argentina
$165
5.5" Free-Standing, Polished Fuchsite - Madagascar
$35
4.7" Free-Standing, Polished Fuchsite - Madagascar
$29
4.8" Free-Standing, Polished Fuchsite - Madagascar
$29
4.8" Free-Standing, Polished Fuchsite - Madagascar
$29
8.5" Cretaceous Fish (Spaniodon) With Pos/Neg - Hjoula, Lebanon
$795
8.5" Colorful, Hubbard Basin Petrified Wood Slab - Nevada
$165
3.9" Free-Standing, Polished Brown Calcite
$12
7.4" Purple Edge Fluorite Crystal Cluster - Qinglong Mine, China
$115
4.2" Free-Standing Crystal Filled Celestine Geode - Madagascar
$65
Ruby Red Brookite Crystals On Quartz - Pakistan
$59
4.4" Free-Standing Red Feldspar and Tourmaline - Madagascar
$33
4.8" Free-Standing Red Feldspar and Tourmaline - Madagascar
$29
3.8" Polished Black River Agate - Argentina
$65
3.75" Fibrous Blue Aurichalcite Crystals with Calcite - Mexico
$35
3.8" Bright Blue Aurichalcite Crystals with Calcite - Mexico
$45