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Calcite
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2.95" Polished Aragonite Stalactite Slice - Morocco
$12
2.9" Polished Aragonite Stalactite Slice - Morocco
$5
7.2" Polished Fossil Sea Biscuit (Clypeaster) - Morocco
$195
7.2" Fossil Sycamore Leaf (Macginitiea) - Montana
$365
7.2" Cut & Polished, Crystal-Filled Ammonite Fossil - Madagascar
$195
7.2" Septarian "Dragon Egg" Geode - Black Crystals
$175
Colorful, 7.2" Polished Fluorite Slab - China
$55
2.7" Polished Aragonite Stalactite Slice - Morocco
$12
7.2" Waterline Agate Limb Cast Slice - Tom Miner Basin, Montana
$65
3.6" Small, Red Vanadinite Crystals on Manganese Oxide - Morocco
$19
2.2" Small, Red Vanadinite Crystals on Manganese Oxide - Morocco
$15
3" Small, Red Vanadinite Crystals on Manganese Oxide - Morocco
$29
5.2" Small, Red Vanadinite Crystals on Manganese Oxide - Morocco
$45
7.2" Polished, Petrified Wood (Araucarioxylon) - Arizona
$75
7.2" Fossil Shark (Hybodus) Dorsal Spine - Kem Kem Beds, Morocco
$75
7.2" Polished Petrified Wood Slab - Saddle Mountain, WA
$95
7.2" Brahin Pallasite Meteorite (254.3 g) Slice - Belarus
$2,550
7.2" Silurian Trilobite (Trimerus) Fossil - New York
$495
10.8" Milky, Candle Quartz Crystal - Inner Mongolia
$245
9.8" Milky, Candle Quartz Crystal - Inner Mongolia
$245
1.90" Polished Colombian Copal (7.2 g) - Winged Termites and Ant!
$49
2.8" Yellow Cave Calcite (Aragonite) Formation - Peru
$19
2.7" Lustrous, Epidote Crystal Cluster on Actinolite - Pakistan
$49
10.1" Lustrous, Epidote Crystals on Actinolite - Pakistan
$295
2.65" Epidote Crystals on Actinolite - Pakistan
$39
2.7" Dark-Green Epidote Crystals on Actinolite - Pakistan
$45
7.7" Lustrous, Epidote Crystals on Actinolite - Pakistan
$245
1.75" Sparkling Quartz Chalcedony Stalactite Formation - India
$19
4.7" Cave Calcite Stalactite with Fluorescent Calcite - Wenshan Mine
$895
$600
5.5" Milky, Candle Quartz Crystal - Inner Mongolia
$99
5.6" Milky, Candle Quartz Crystal - Inner Mongolia
$79
4.35" Quartz and Pyrite Crystal Cluster - Crystals on Crystals!
$39
21" Amethyst Geode Section with Calcite on Metal Stand - Uruguay
$2,450
Lustrous, 4.8" Epidote Crystal Cluster on Actinolite - Pakistan
$125
7.2" Cut & Polished Pliosaur (Liopleurodon) Limb Bone - England
$75
7.2" Crystal Filled Celestine (Celestite) Geode - Madagascar
$155
7.2" Proterozoic Columnar Stromatolite (Asperia) Slab - Australia
$245
3.75" Sparkling, Botryoidal Malachite Stalactite - Congo
$1,195
3.2" Sparkling, Botryoidal Malachite Stalactite - Congo
$1,195
3.7" Unique, Fluorescent Cave Calcite Formation - Wenshan Mine
$99
2" Quartz Crystal Cluster with Calcite & Loellingite - Mongolia
$32
3.5" Sparkling Quartz Chalcedony Stalactite Formation - India
$19
4.4" Sparkling Quartz Chalcedony Stalactite Formation - India
$25
3.9" Sparkling Quartz Chalcedony Stalactite Formation - India
$25
3.9" Sparkling Quartz Chalcedony Stalactite Formation - India
$19
5.3" Sparkling Quartz Chalcedony Stalactite Formation - India
$25
2.8" Sparkling Quartz Chalcedony Stalactite Formation - India
$15
3.25" Sparkling Quartz Chalcedony Stalactite Formation - India
$12
4.1" Sparkling Quartz Chalcedony Stalactite Formation - India
$25
3.2" Sparkling Quartz Chalcedony Stalactite Formation - India
$15
3.7" Sparkling Quartz Chalcedony Stalactite Formation - India
$25
5.7" Sparkling Quartz Chalcedony Stalactite Formation - India
$49
2.7" Sparkling Quartz Chalcedony Stalactite Formation - India
$15
1.95" Sparkling Druzy Quartz and Calcite on Basalt - India
$22
2.35" Amethyst, Calcite and Chabazite in Basalt - India
$29
2.3" Sparkling Quartz Chalcedony Stalactite Formation - India
$29
4.3" Cave Calcite Stalactites with Fluorescent Calcite - Wenshan Mine
$195
2.8" Spiny Quadrops Trilobite - Ofaten, Morocco
$1,395
7.6" Sparkly Red Quartz Crystal Cluster - Morocco
$335
Amethyst & Quartz "Rosette" Refrigerator Magnets
$7
61 REMAINING