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11hedwil ((CHALCOPYRITE)), $5 MINIMUM BID, Sweetwater Mine, Viburnum Trend District, Reynolds County, Missouri, 3.5 x 3.5 x 2.5 cm, Miniature, Multitude of iridescent colors of blue, magenta, and golden Chalcopyrite crystals.

Tanzanite - 5.5 cm - Merelani Mine, Arusha, Tanzania

大きな結晶,宝石結晶鉱物石,石を癒し結晶,宝石のGeodes,岩石や鉱物,ミネラル,半貴石,ジュエリー,Jan Crystals

Willemite [Zn2SiO4] with Dolomite. Namibia. 6 x 5.5 x 3 cm. Photo John Schneider

Azurite: Dense merged crystals of Azurite are found in copper-ore areas of USA, in Russia (Altai and Ural), Kazakhstan, Germany, Zaire (Africa) and Australia. Separate large crystals of this mineral are found more rarely. From the point of chemistry azurite is a copper carbonate. Its blue color is explained by iron compounds.

Twisted, flattened crystals of Gold. 3.5 grams, size 2.4 x 1.5 x 1 cm.

Silurian Era Gem Stone Mineral Rock Crystal Agate Jasper Stone Cabachon Jewellery Quartz Smokey Blue Aqua

Iridescent Chalcopyrite with Dolomite - Sweetwater Mine, Missouri / Mineral Friends <3

Large and well centered Galena crystal with Calcite on Dolostone Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds Co., Missouri. Measures 11.4 cm by 12.5 cm by 5.2 cm in total size.