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Calcite
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9.9" Polished Canadian Jade (Nephrite) Slab - British Columbia
$325
9.9" Polished Canadian Jade (Nephrite) Slab - British Columbia
$195
2.2" Polished Purple Passion Agate Slice - Chihuahua, Mexico
$39
9.9" Fossil Oreodont (Eporeodon) Skull with Atlas Vertebra
$1,295
2.4" Quartz Crystal Cluster with Epidote Inclusions - China
$45
2.7" Free-Standing, Polished Bumblebee Jasper - Indonesia
$25
4.2" Polished Purple Passion Agate Section - Chihuahua, Mexico
$99
9.9" Natural, Red Quartz Crystal Cluster - Morocco
$175
9.9" Polished Tiger Iron "Stromatolite" Slab - 3.2 Billion Years
$325
9.9" Petrified Wood (Hickory) Slab - Deschutes River, Oregon
$99
7.1" Fluorescent Hexagonal Calcite Crystals - China
$295
4.6" Polished Laguna Agate Slice - Mexico
$135
9.9" Deep Purple Amethyst Crystal Cluster With Huge Crystals
$995
3.9" Polished, Free-Standing Green Pistachio Opal - Madagascar
$35
3.6" Polished, Free-Standing Green Pistachio Opal - Madagascar
$25
1.75" Intricate Botryoidal Rhodochrosite - Santa Eulalia, Mexico
$19
9.9" Botryoidal Prehnite and Epidote - Mali
$495
3.7" Fluorescent Calcite Crystal Cluster (New Find!) - Potosi Mine
$55
3.75" Fluorescent Calcite Crystal Cluster (New Find!) - Potosi Mine
$55
3" Fluorescent Calcite Crystal (New Find!) - Potosi Mine
$29
3.5" Fluorescent Calcite Crystal Cluster (New Find!) - Potosi Mine
$45
6.3" Highly Fluorescent Calcite Crystal Cluster - Wenshan Mine, China
$495
2" Polished Banded Laguna Agate - Mexico
$55
3.25" Teal-Blue Amazonite Crystal - Lake George, Colorado
$99
2.05" Teal-Blue Amazonite Crystal - Lake George, Colorado
$59
4.9" Polished Laguna Agate Nodule Half - Mexico
$325
2.6" Fluorite, Calcite and Quartz Association - Cocineras Mine, Mexico
$29
9.5" Sparkling Cave Calcite (Aragonite) Formation - Potosi Mine, Mexico
$225
8.8" Sparkling Cave Calcite (Aragonite) Formation - Potosi Mine, Mexico
$225
11.1" Sparkling Cave Calcite (Aragonite) Formation - Potosi Mine, Mexico
$185
7" Sparkling Cave Calcite (Aragonite) Formation - Potosi Mine, Mexico
$175
8" Sparkling Cave Calcite (Aragonite) Formation - Potosi Mine, Mexico
$195
$145
6.3" Selenite Desert Rose on Stand - Chihuahua, Mexico
$75
7.4" Purple Edge Fluorite Crystal Cluster - Qinglong Mine, China
$115
1.2" Botryoidal Rhodochrosite Formation - Santa Eulalia, Mexico
$25
1.65" Intricate Botryoidal Rhodochrosite - Santa Eulalia, Mexico
$25
1.2" Intricate Botryoidal Rhodochrosite - Santa Eulalia, Mexico
$25
1.5" Pink Botryoidal Rhodochrosite - Santa Eulalia, Mexico
$19
1.95" Polished Purple Charoite Cube with Base - Siberia
$95
1.95" Polished Purple Charoite Cube with Base - Siberia
$95
1.95" Polished Purple Charoite Cube with Base - Siberia
$95
3" Quartz and Calcite with Metacinnabar Inclusions - Cocineras Mine
$25
2.95" Lustrous Smoky Quartz Crystals on Microcline - Colorado
$69
15.6" Flower-Like Sandstone Concretion - Pseudo Stromatolite
$195
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
3.7" Unique, Fluorescent Cave Calcite Formation - Wenshan Mine
$99
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
Ruby Red Brookite Crystals On Quartz - Pakistan
$59
4.1" Glass-Clear, Green Cubic Fluorite Crystals on Quartz - China
$99
2.2" Yellow Calcite Crystal Cluster - Missouri
$29
5.7" Polished Agua Nueva Agate Slice - Chihuahua, Mexico
$125
3.2" Polished, Banded Honey Calcite Obelisk
$15
3.45" Polished, Banded Honey Calcite Obelisk
$19
2.2" Polished, Banded Honey Calcite Obelisk
$12