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Calcite
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4.4" Quartz Encrusted Yellow Fluorite With Galena - Morocco
$49
4.45" Quartz Encrusted Yellow Fluorite With Galena - Morocco
$35
10.8" Milky, Candle Quartz Crystal - Inner Mongolia
$245
9.8" Milky, Candle Quartz Crystal - Inner Mongolia
$245
2" Quartz Crystal Cluster with Calcite & Loellingite - Mongolia
$32
1.9" Amethyst and Chabazite Crystals on Sparkling Chalcedony - India
$19
5.6" Milky, Candle Quartz Crystal - Inner Mongolia
$79
2.9" Purple & Green Cubic Fluorite with Quartz - China
$99
21" Amethyst Geode Section with Calcite on Metal Stand - Uruguay
$2,450
1.95" Sparkling Druzy Quartz and Calcite on Basalt - India
$22
4" Hematite Quartz, Chalcopyrite and Pyrite Association - China
$49
4.6" Hematite Quartz, Chalcopyrite and Pyrite Association - China
$135
2.7" Quartz and Pyrite on Dolomite - Peru
$19
2.6" Quartz Crystals and Pyrite on Sphalerite - Peru
$25
5.5" Milky, Candle Quartz Crystal - Inner Mongolia
$99
5.6" Mango Quartz Crystal Cluster - Cabiche, Colombia
$795
5" Stunning, Mango Quartz Crystal Cluster - Cabiche, Colombia
$795
4.6" Mango Quartz Crystal Cluster - Cabiche, Colombia
$795
10" Carved Chevron Amethyst Dinosaur Crystal Skull - Ferocious!
$1,195
$950
9.8" Stunning, Mango Quartz Crystal Cluster - Cabiche, Colombia
$1,495
1.5" Glassy, Purple-Zoned Cubic Fluorite Cluster on Quartz - China
$75
3.15" Quartz Needles with Pyrite on Sphalerite - Peru
$25
6.2" Eudolalites with Selenopeltis Trilobites and a Machaeridian
$595
6.5" Hedenbergite Quartz With Pink Fluorite Octahedrals - Mongolia
$8,950
3.6" Pyrite Encrusted Barite Crystal Cluster - Lubin Mine, Poland
$245
3.6" Pyrite Encrusted Barite Crystal Cluster - Lubin Mine, Poland
$175
2.1" Tabular Red-Brown Barite Crystal - Morocco
$7
3.5" Tabular Red-Brown Barite Crystal - Morocco
$15
3.5" Tabular Red-Brown Barite Crystal - Morocco
$19
2.5" Tabular Red-Brown Barite Crystal - Morocco
$7
2.2" Tabular, Yellow-Brown Barite Crystal Cluster - Morocco
$5
2.8" Tabular, Red-Brown Barite Crystal Cluster - Morocco
$9
3.1" Tabular Red-Brown Barite Crystal - Morocco
$9
3.6" Hematite Quartz and Dolomite Association - China
$29
Real Fossil Megalodon Partial Tooth - 3 - 4"
$15
34 REMAINING
3.2" Tessin Habit Smoky Quartz Crystal Cluster - Nigeria
$95
2.7" Gemmy, Yellow, Cubic Fluorite Cluster w/ Barite - Moscona Mine
$35
7.6" Sparkly Red Quartz Crystal Cluster - Morocco
$335
1.4" Cubic Fluorite Crystals on Quartz - Yaogangxian Mine
$39
12.7" Blue Bladed Barite Crystal Clusters on Calcite - Morocco
$245
4.35" Quartz and Pyrite Crystal Cluster - Crystals on Crystals!
$39
2.7" Quartz and Pyrite Crystal Cluster with Realgar - Peru
$25
4.7" Quartz Crystals over Tetrahedrite - Crystals on Crystals!
$39
6.3" Double Terminated Quartz Cluster with Inclusions - Peru
$95
2.2" Hausmannite Crystal Cluster - N'Chwaning Mine, South Africa
$25
15.2" Huge, Natural Quartz Point With Metal Stand
$1,450
2.6" Fluorite, Calcite and Quartz Association - Cocineras Mine, Mexico
$29
11.9" Large Quartz Crystal Cluster - Brazil
$395
$250
2.35" Amethyst, Calcite and Chabazite in Basalt - India
$29
5.6" Quartz Crystals with Pyrite Crystal Inclusions - Peru
$39
1.2" Amethyst Crystals and Chabazite in Basalt - India
$15
10.5" Plate Of Starfish, Edrioasteroids, Crinoid & Trilobite - Pos/Neg
$895
10.3" Striated Colombian Quartz Crystal Cluster - Peña Blanca Mine
$995
4.5" Striated Colombian Quartz Crystal Cluster - Peña Blanca Mine
$99
5.4" Cubic Purple Fluorite with Phantoms - Yaogangxian Mine
$225
3" Botryoidal Green Smithsonite & Calcite Association - Greece
$595
24" Eocrinoid (Ascocystites) Mortality Plate - Ordovician
$595
2.9" Glass Quartz Crystals on Sphalerite - Peru
$22
3.7" Glass Quartz Crystals on Sphalerite - Peru
$29
3.9" Feathery Starfish Fossil With Carpoids - Kaid Rami, Morocco
$595