Spessartine & Smoky Quartz - Tongbei, Yunxian, Fujian Province, China

4.25 inch rhodochrosite polished slice. The slice is 100% natural beauty. It is perfect even thickness. No repairs no chips. From the 1970’s or earlier as it is from the mine owners collection. I know him well after 27 years of business. If you have interest talk to me. Or buy

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Liddicoatite with Albite - Ambararata, Tsitondroina Commune, Ikalamavony Pegmatite Field, Fianarantsoa Province,  Madagascar

Rutilated Quartz ( Polished) 

Locality:  Novo Horizonte, Minas Gerais, Brazil

Strontianite - Oberdorf An Der Laming, Styria, Austria

Opalized Shell - Coober Pedy, South Australia, Australia

Fluorite

Fujiang, China

Phantom Fluorite with Calcite - Denton Mine, Harris Creek Dist., Illinois

Smoky Quartz - Val Giuv, Tujetsch, Vorderrhein Valley, Graubünden, Switzerland

Cobaltoan Calcite on Malachite covered matrix - Kamoto Principal Mine, Kamoto, Kolwezi District, Katanga (Shaba), Congo

Blood Red Uvite Crystals. Uvite is an uncommon form of Tourmaline.

Hardness: 7.5

Crystal System: Hexagonal

Transparency: Transparent to opaque

Specific Gravity: 3.0 - 3.2

Luster: Vitreous, submetallic

Cleavage: 3,2

Fracture: Conchoidal to uneven

Tenacity: Brittle