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Calcite
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3.7" Golden-Yellow Calcite Crystal - Morocco
$12
3.7" Golden-Yellow Calcite Crystal - Morocco
$12
3.7" Amethyst Crystal Cluster - Georgia
$59
3.7" Sunset Phantom Quartz Crystal - India
$195
3.7" Polished Banded Agate Slab - Agouim, Morocco
$75
3.7" Polished Fossil Rugose Coral Slab - Morocco
$35
3.7" Fluorescent Calcite Crystal Cluster (New Find!) - Potosi Mine
$55
3.7" Glassy Calcite Crystal Cluster - Missouri
$45
3.7" Natural, Red Quartz Crystal Cluster - Morocco
$59
3.7" Glass Quartz Crystals on Sphalerite - Peru
$29
3.7" Quartz Crystals On Sparkling Bladed Hematite - Lechang Mine
$325
3.7" Gemmy, Yellow, Cubic Fluorite Cluster w/ Calcite - Moscona Mine
$55
3.7" Peridot in Basalt - Arizona
$29
2.4" Golden Calcite Crystal - Morocco
$12
3.7" Sparkling Quartz Chalcedony Stalactite Formation - India
$25
3.7" Metallic, Needle-Like Pyrolusite Crystals - Morocco
$12
3.7" Lustrous Smoky "Elestial" Quartz - Brazil
$99
3.7" Polished Blue Caribbean Calcite Sphere - Pakistan
$115
3.7" Polished Petrified Tropical Hardwood Slab - Texas
$19
3.7" Glittering, Ruby Red Vanadinite Crystals on Barite - Morocco
$45
2.2" Golden, Twinned Calcite Crystal - Morocco
$12
2.55" Golden, Twinned Calcite Crystal - Morocco
$15
2.7" Golden, Twinned Calcite Crystal - Morocco
$15
3.4" Golden Calcite Crystal - Morocco
$15
3.7" Free-Standing, Polished Orca Agate - Madagascar
$35
3" Golden Calcite Crystals - Morocco
$15
3.7" Fluorescent, Manganoan Calcite Crystal Cluster
$345
$275
3.7" Polished Chevron Amethyst Sphere - Brazil
$85
3.7" Fossil Theropod Dinosaur Vertebra - Montana
$395
3.7" Flashy Ammolite (Fossil Ammonite Shell) - Red & Green!
$215
3.7" Fiery Red-Orange Orpiment on Pyrite - Peru
$59
3.4" Golden-Yellow Calcite Crystal - Morocco
$12
3.7" Gleaming Pyrite Crystals with Quartz Crystals - Peru
$29
3.7" Fossil Gastropods In Limestone - Texas
$39
3.7" Cretaceous Fossil Squid with Tentacles & Ink Sac - Lebanon
$595
4.9" Golden, Calcite Crystal - Morocco
$15
3.7" Free-Standing Rubellite (Tourmaline) & Quartz - Madagascar
$25
3.7" Unique, Fluorescent Cave Calcite Formation - Wenshan Mine
$99
3.7" Fossil Primitive Whale (Pappocetus) Molar - Morocco
$225
3.7" Polished, Free-Standing Dumortierite With Quartz - Madagascar
$22
3.7" Polished, Free-Standing Dumortierite With Quartz - Madagascar
$29
3.7" Polished Garnierite Heart - Madagascar
$35
3.7" Colorful Carnelian Agate Sphere - Madagascar
$79
3.7" Pink Tourmaline (Rubellite) in Quartz - Brazil
$19
3.7" Purple Botryoidal Grape Agate - Indonesia
$39
3.7" Galena Crystal Cluster - Peru
$29
3.7" Pink Tourmaline (Rubellite) in Quartz - Brazil
$12
3.7" Dark Smoky Quartz Crystal Cluster - Brazil
$37
3.7" Dark Smoky Quartz Crystal Cluster - Brazil
$49
3.7" Polished Snowflake Obsidian Sphere - Utah
$195
3.9" Yellow, Calcite Crystal - Morocco
$15
3.7" Ammonite (Promicroceras) Cluster - Marston Magna, England
$59
2.4" Fluorescent Calcite Crystal Cluster - Morocco
$12
1.95" Sparkling Druzy Quartz and Calcite on Basalt - India
$22
3.7" Polished Banded Rhodochrosite Slab - Argentina
$35
3.7" Cut & Polished Ammonite Fossil - Unusual Black Color
$39
3.7" Jurassic Ammonite (Harpoceras) Fossil - England
$45
3.7" Jurassic Ammonite (Hildoceras) Fossil - England
$39
2.25" Nailhead Spar Calcite after Dogtooth Calcite - China
$35
1.9" Nailhead Spar Calcite after Dogtooth Calcite - China
$25