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Calcite
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5.5" Sparkly, Orange Calcite Crystal Cluster - Poland
$125
1.65" Intense Orange Calcite Crystal Cluster - Poland
$15
1.35" Intense Orange Calcite Crystal Cluster - Poland
$19
5.3" Sparkling Quartz Chalcedony after Scalenohedral Calcite - India
$165
5.3" Calcite Crystal Cluster with Purple Fluorite (New Find) - China
$49
5.3" Polished Schalenblende Slice - Poland
$85
5.3" Striated Colombian Quartz Crystal - Peña Blanca Mine
$195
$145
5.3" Clear Quartz Crystal Cluster - Brazil
$59
5.3" Sparkling Quartz Chalcedony Stalactite Formation - India
$25
2.1" Fluorescent Calcite Crystal Cluster (New Find!) - Potosi Mine
$25
3.7" Fluorescent Calcite Crystal Cluster (New Find!) - Potosi Mine
$55
3.75" Fluorescent Calcite Crystal Cluster (New Find!) - Potosi Mine
$55
3.5" Fluorescent Calcite Crystal Cluster (New Find!) - Potosi Mine
$45
5.3" Free-Standing, Polished Garnierite - Madagascar
$59
5.3" Gemmy, Green Apophyllite Flowers On Stilbite - India
$225
3" Fluorescent Calcite Crystal (New Find!) - Potosi Mine
$29
5.3" Polished Outback Jasper - Western Australia
$29
5.3" Colorful, Polished Patagonia Agate - Argentina
$295
5.3" Petrified Wood (Sycamore) Slab - Parker, Colorado
$95
3.1" Sunset Phantom Quartz Crystal Cluster - India
$295
$200
1.6" Sunset Phantom Quartz Crystal Cluster - India
$15
5.3" Polished Malachite Specimen - Congo
$115
5.3" Fossil Ankylosaur Scute - Montana
$645
3.7" Sunset Phantom Quartz Crystal - India
$195
2.9" Sunset Phantom Quartz Crystal - India
$89
9.8" Stunning, Mango Quartz Crystal Cluster - Cabiche, Colombia
$1,495
2.6" Skeletal Halite Crystals with Tolbachite - Poland
$135
5.3" Polished Garnetite (Garnet) Tower - Madagascar
$49
5.3" Devonian Lobe-Finned Fish (Osteolepis) Pos/Neg - Scotland
$595
Colorful, 5.3" Polished Rainbow Fluorite Slab
$35
5.3" Polished Free-Standing Peach Moonstone - Madagascar
$45
5.3" Glittering, Ruby Red Vanadinite Crystals on Barite - Morocco
$79
5.3" Metallic, Needle-Like Pyrolusite Crystals - Morocco
$19
5.3" Silurian Fossil Crinoid (Scyphocrinites) Lobolith - Morocco
$25
5.3" Cut & Polished Ammonite Fossil (Half) - Unusual Black Color
$49
Real Fossil Megalodon Partial Tooth - 3 - 4"
$15
36 REMAINING
4.7" Quartz Crystals over Tetrahedrite - Crystals on Crystals!
$39
1.95" Sparkling Druzy Quartz and Calcite on Basalt - India
$22
6.8" Polished, Striped Flint Nodule - Poland
$95
7" Polished, Striped Flint Section - Poland
$65
6.5" Polished, Striped Flint Stand Up - Poland
$115
19" Cluster Of "Blue Smoke" Quartz With Cookeite - Colombia
$1,750
2.35" Amethyst, Calcite and Chabazite in Basalt - India
$29
Real Fossil Megalodon Partial Tooth - 2 1/2 - 3 1/2" Size
$12
47 REMAINING
33" Golden-Orange "Citrine" Cathedral Geode - Spectacular Display
$2,950
2.9" Thunder Bay Quartz Cluster with Hematite Inclusions - Canada
$35
3.65" Dogtooth Calcite Crystal Cluster - Pakistan
$25
2.95" Dogtooth Calcite Crystal Cluster - Pakistan
$19
5.6" Dogtooth Calcite Crystal Cluster - Pakistan
$35
4.8" Honey Yellow Celestite (Celestine) Crystals - Machow Mine, Poland
$395
$315
3.3" Lustrous, Blue-Green Fluorapatite Crystal - New Find!
$395
$325
6.5" Thunder Bay Amethyst Cluster with Hematite - Canada
$275
5.8" Thunder Bay Amethyst Cluster with Hematite - Canada
$185
4.1" Thunder Bay Amethyst Cluster with Hematite - Canada
$125
3.9" Thunder Bay Amethyst Cluster with Hematite - Canada
$69
6.6" Thunder Bay Amethyst Cluster with Hematite - Canada
$325
3.9" Thunder Bay Amethyst Cluster with Hematite - Canada
$65
4" Pale-Yellow Calcite Crystal Cluster - Pakistan
$19
3.3" Quartz Crystal Cluster with Calcite & Loellingite -Inner Mongolia
$35
3.9" "Sandwich" Wulfenite Crystals On Matrix - Ojuela Mine, Mexico
$19