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Calcite
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3.6" Honey Colored Barite Crystals on Fluorescent Calcite - Elk Creek
$49
5.5" Sparkly, Orange Calcite Crystal Cluster - Poland
$125
1.8" Orange Calcite Crystal Cluster - Poland
$19
1.65" Intense Orange Calcite Crystal Cluster - Poland
$15
3.6" Pagoda Style Calcite Crystals on Calcite - Fluorescent!
$49
4.8" Pagoda Style Calcite Crystals on Calcite - Fluorescent!
$65
3.15" Orange Calcite Crystal Cluster - Poland
$29
3.2" Polished Candy Agate - Malawi
$59
2.9" Cut & Polished Fossil Nautilus (Eutrephoceras) - South Dakota
$155
2.8" Yellow Cave Calcite (Aragonite) Formation - Peru
$19
4.7" Calcite Crystal Cluster with Hematite Inclusions - Fluorescent!
$145
$125
3.2" Purple Edge Fluorite Crystal Cluster - Qinglong Mine, China
$29
4.5" Calcite Crystal Cluster with Hematite Inclusions - Fluorescent!
$125
2.9" Calcite Crystal Cluster with Hematite Inclusions - Fluorescent!
$55
2.4" Fluorescent Calcite Crystal Cluster - Morocco
$12
3.2" Miniature Fossil Cluster (Ammonites, Brachiopods) - France
$145
4.15" Yellow Cubic Fluorite Crystal Cluster - Morocco
$35
2.4" Fluorescent Calcite Crystals - Sept-Îles, Quebec
$12
3.7" Fluorescent, Manganoan Calcite Crystal Cluster
$345
$275
7.1" Fluorescent Hexagonal Calcite Crystals - China
$295
1.4" Fluorescent Chiastolite Andalusite - Kola Peninsula, Russia
$19
6.2" Yellow-Green Cubic Fluorite Crystal Cluster - Morocco
$45
4.95" Yellow-Green Cubic Fluorite Crystal Cluster - Morocco
$45
9" Fluorescent Calcite Crystal Cluster - Morocco
$99
3.8" Gemmy, Cubic Fluorite Cluster w/ Calcite & Barite - Moscona Mine
$39
3.2" Tessin Habit Smoky Quartz Crystal Cluster - Nigeria
$95
4" Cerussite Crystals with Bladed Barite on Galena - Morocco
$45
3.2" Jurassic Cut & Polished Ammonite Fossil - Madagascar
$32
3.3" Sharp Dogtooth Calcite Crystal Cluster - Utah
$35
3.1" Sharp Dogtooth Calcite Crystal Cluster - Utah
$29
3.1" Sharp Dogtooth Calcite Crystal Cluster - Utah
$29
2.8" Sharp Dogtooth Calcite Crystal Cluster with Dendrites - Utah
$35
4.3" Cave Calcite Stalactites with Fluorescent Calcite - Wenshan Mine
$195
4.8" Cave Calcite Stalactite with Fluorescent Calcite - Wenshan Mine
$145
3.2" Jurassic Cut & Polished Ammonite Fossil (Half) - Madagascar
$19
2.5" Fossil Nautilus (Eutrephoceras) - South Dakota
$125
2.8" Fluorescent Green and Purple Fluorite Heart - Madagascar
$19
3.15" Fluorescent Green and Purple Fluorite Heart - Madagascar
$25
3.15" Polished Fluorescent Green Fluorite Heart - Madagascar
$25
2.95" Polished Fluorescent Green Fluorite Heart - Madagascar
$19
3" Polished Fluorescent Green Fluorite Heart - Madagascar
$19
2.95" Polished Fluorescent Green Fluorite Heart - Madagascar
$19
2.65" Polished Fluorescent Green Fluorite Heart - Madagascar
$15
1.1" Large Cerussite Crystal - Morocco
$15
.9" Cerussite Crystal Cluster - Morocco
$12
2.65" Intricate, Fluorescent Aragonite Formation - Nevada
$29
4.85" Intricate, Fluorescent Aragonite Formation - Nevada
$95
2.3" Intricate, Fluorescent Aragonite Formation - Nevada
$29
6.45" Intricate, Fluorescent Aragonite Formation - Nevada
$99
7.5" Cluster of Fossil Clams with Fluorescent Calcite - Rucks' Pit, FL
$795
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
1.85" Fluorescent, Green Cubic Fluorite Crystal Cluster - Morocco
$15
6.0" Fluorescent Calcite Crystal Cluster - Morocco
$35
10.75" Fluorescent Calcite Crystal Cluster - Morocco
$149
5.9" Fluorescent Calcite Crystal Cluster - Morocco
$45
1.65" Fluorescent Calcite Crystal Cluster - Morocco
$12