Latest Posts by twotoneredandwhite - Page 4

Tiffany Stone from Spor Mountain, Juab County, Utah under white light and short wave ultraviolet.  Tiffany Stone is a variety of fluorite, usually with swirl patterns, sometimes with small impurities of intergrown bertrandite, chalcedony, opal, and/or quartz.  

Two pound amethyst crystal

Iridescent Chalcopyrite over Calcite - Edong Mining District, Daye, Hubei, China

Vesuvianite - Jeffrey Mine, Asbestos, Richmond Co., Quebec, Canada

Amethyst Stalactite - Artigas, Artigas Department, Uruguay

Watermelon Tourmaline slices

Rutilated Quartz ( Polished) 

Locality:  Novo Horizonte, Minas Gerais, Brazil

Apatite - Panasqueira Mine, Beira Baixa, Portugal

Tourmaline and Cleavelandite

Locality: Gilgit, Northern Areas, Pakistan

Pyrope Garnet

Locality: Eclogite outcrops, Jianggalesayi area, Qiemo (Qerqen; Cherchen) Co., Bayin'gholin (Bayingolin; Bayinguoleng) Autonomous Prefecture, Xinjiang (Xinjiang-Uygur) Autonomous Region, China

Fluorite - Denton Mine, Hardin County, Illinois

Panther Jasper

Rhodonite

Orange Calcite

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

Opalized Wood - Jundah, Queensland, Australia

Amethyst - Brazil

Rhodochrosite with Hematite crystals - N'Chwaning I Mine, N'Chwaning Mines, Kalahari Manganese Fields, Northern Cape Province, South Africa

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

Dravite - Mwajanga, near Komolo, Tanzania

Opal (70 cts)  - Honduras

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

Cobaltoan Calcite - Mashamba West Mine, Kolwezi, Katanga, DR Congo

Rhodochrosite - Uchucchacua Mine, Lima Department, Peru      

Cobaltoan Calcite with Calcite -  Solita Mine, Catalonia, Spain

Opalized Shell - Coober Pedy, South Australia, Australia

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

Sweet Home Rhodochrosite with Quartz Needles on Tetrahedrite

Locality: Raspberry Pocket, Fluorite Raise, Sweet Home Mine in Alma, Park County, Colorado

Quartz with Papagoite and Copper inclusions

Locality: Messina Mine, Vhembe District, Limpopo Province, South Africa

Smoky Quartz with Sprinkling of Chlorite

Locality:  Galenstock, Urseren, Uri, Switzerland