C
Calcite and Quartz
$24.00
$24.00
Calcite on Dolomite
$5.00
$5.00
Calcite on Dolomite
$5.00
$5.00
Calcite on Quartz
$34.00
$34.00
Calcite twin
$17.00
$17.00
Calcite with Marcusite inclusions
$18.00
$18.00
Calcite, doubly-terminated on matrix
$12.00
$12.00
Calcite
$24.00
$24.00
Calcite
$50.00
$50.00
Calcite, strange formation
$20.00
$20.00
Calcite, unusual formation
$8.00
$8.00
Caledonite
$8.00
$8.00
Carrollite
$50.00
$50.00
Cassiterite
$16.00
$16.00
Cassiterite
$40.00
$40.00
Cassiterite, epimorph of Pyrite
$195.00
$195.00
Cassiterite on Albite
$85.00
$85.00
Cassiterite on Muscovite
$140.00
$140.00
Cassiterite on Muscovite
$55.00
$55.00
Cassiterite
$45.00
$45.00
Cassiterite, rare location
$65.00
$65.00
Cylindrite
$16.00
$16.00
Celestite and Sulfur
$75.00
$75.00
Cerrusite
$8.00
$8.00
Cerrusite
$10.00
$10.00
Cerrusite, rare location
$40.00
$40.00
Cerrusite
$8.00
$8.00
Cerrusite and Anglesite, rare location
$35.00
$35.00
Chalcedony ps Calcite with Zeolites
$40.00
$40.00
Chalcocite
$34.00
$34.00
Chalcocite
$85.00
$85.00
Chalcocite
$45.00
$45.00
Chalcocite, rare ocation
$30.00
$30.00
Chalcocite
$16.00
$16.00
Chalcopyrite on Calcite
$55.00
$55.00
Cylindrite
$10.00
$10.00
Cinnabar twin
$85.00
$85.00
Clinoatacamite
$16.00
$16.00
Clinohumite on matrix
$95.00
$95.00
Clinohumite
$115.00
$95.00
Clinozoisite
$6.00
$6.00
Columbite, unusual location
$120.00
$120.00
Copper
$5.00
$5.00
Cuprite
$38.00
$38.00
Creedite
$16.00
$16.00
Cuprite, unusual iridescence
$20.00
$20.00
Cuprite and Copper
$65.00
$65.00
Cuprite on Copper
$20.00
$20.00
Cuprite
$18.00
$18.00
Malachite with Chrysocolla
$40.00
$40.00
Copper
$35.00
$35.00
Heulandite, Stilbite, and Calcite
$10.00
$10.00
Rosasite and Calcite
$12.00
$12.00
Crocoite
$35.00
$35.00
Calcite
$65.00
$65.00
Titanite (Sphene) and Calcite
$32.00
$32.00
Quartz with Hematite and Chlorite inclusions
$30.00
$30.00
Anatase, Chlorite included Albite, and Quartz
$57.00
$57.00
Hematite with Calcite
$17.00
$17.00
Chalcedony
$10.00
$10.00
Hematite with Calcite
$18.00
$18.00
Calcite and Celestite
$30.00
$30.00
Chalcopyrite and Byssolite
$16.00
$16.00
Calcite
$20.00
$20.00
Calcite
$18.00
$18.00
Dogtooth Calcite
$15.00
$15.00
Fluorapatite, Hyalite Opal, and Calcite
$28.00
$28.00
Chrysocolla with Azurite
$18.00
$18.00
Chalcopyrite
$70.00
$70.00