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Aragonite
Cave Calcite
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2.8" Yellow Cave Calcite (Aragonite) Formation - Peru
$19
3" Columnar Calcite Crystals on Pyrite and Quartz - Fluorescent!
$175
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
2.35" Calcite Crystals on Dolomite - Peru
$15
1.3" Poldervaartite Aggregation - N'Chwaning Mine, South Africa
$25
1.3" Poldervaartite Aggregation - N'Chwaning Mine, South Africa
$29
$22
1.3" Natural, Native Copper Formation - Peru
$7
1.3" Botryoidal Green Fluorite Formation - Nancy Hanks Mine, Colorado
$22
4.85" Striated Pyrite and Quartz on Sphalerite - Peru
$65
1.3" Fossil Leaf (Prunus) - Montana
$29
2.9" Polished Aragonite Stalactite Slice - Morocco
$5
2.7" Polished Aragonite Stalactite Slice - Morocco
$12
4.3" Cave Calcite Stalactites with Fluorescent Calcite - Wenshan Mine
$195
4.8" Cave Calcite Stalactite with Fluorescent Calcite - Wenshan Mine
$145
1.3" Green, Cubic Fluorite Crystals on Quartz - Inner Mongolia
$29
1.3" Rare Species Of Koneprusia Trilobite - Atchana, Morocco
$1,495
2.5" Gleaming Striated Pyrite Crystals with Quartz - Peru
$25
2.65" Sparkling Yellow Fluorite Cluster - Spain
$35
2.65" Intricate, Fluorescent Aragonite Formation - Nevada
$29
4.85" Intricate, Fluorescent Aragonite Formation - Nevada
$95
6.45" Intricate, Fluorescent Aragonite Formation - Nevada
$99
2.3" Intricate, Fluorescent Aragonite Formation - Nevada
$29
4.7" Beautiful Septarian Geode Bookends - Utah
$175
5.6" Beautiful Septarian Geode Bookends - Utah
$349
5.8" Beautiful Septarian Geode Bookends - Utah
$375
2.2" Lustrous Galena Crystals on Fluorescent Sphalerite - Peru
$15
1.3" Polished Colombian Copal (1.1 g) - Contains Spider and Flies!
$29
4.8" Crystal Filled Septarian Geode Bookends - Utah
$449
5.7" Crystal Filled Septarian Geode Bookends - Utah
$495
6" Crystal Filled Septarian Geode Bookends - Utah
$595
6.1" Crystal Filled Septarian Geode Bookends - Utah
$475
3.7" Fluorescent, Manganoan Calcite Crystal Cluster
$345
$275
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
4.3" Pink Manganoan Calcite Formation - Highly Fluorescent!
$225
3.6" Honey Colored Barite Crystals on Fluorescent Calcite - Elk Creek
$49
6.65" Fluorescent Calcite Crystal Cluster - Morocco
$79
4.25" Fluorescent Calcite Crystal Cluster - Morocco
$32
2.7" Quartz and Pyrite Crystal Cluster with Realgar - Peru
$25
1.3" Miocene Fossil Leaf - Nebraska
$19
1.3" Flexicalymene Trilobite Fossil - Indiana
$65
1.4" Fluorescent Chiastolite Andalusite - Kola Peninsula, Russia
$19
3.7" Unique, Fluorescent Cave Calcite Formation - Wenshan Mine
$99
4.7" Cave Calcite Stalactite with Fluorescent Calcite - Wenshan Mine
$895
$600
1.3" Green Vesuvianite Crystals - Afghanistan
$25
1.3" Amazonite Crystal Cluster - Colorado
$25
1.3" Polished Candy Agate - Malawi
$59
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
3.15" Orange Calcite Crystal Cluster - Poland
$29
3.45" Twinned Selenite Crystals (Fluorescent) - Red River Floodway
$165
$135
5.2" Sparkling Cave Calcite (Aragonite) Formation - Potosi Mine, Mexico
$79
2.1" Sparkling Cave Calcite (Aragonite) Formation - Potosi Mine, Mexico
$19