Mineral: Quartz
Locality: Herkimer Diamond Mine, Middleville, Town of Newport, Herkimer County, New York, USA
Dimensions: 12 x 6 x 18 cm / main crystal: 5.6 cm

Description: Mass: 553 g MIM number:1917 Group consisting of twenty sharp and doubly terminated quartz crystals. 3 crystals are milky, while all others are clear. All contain black anthraxolite inclusions (a hard and shiny variety of graphitic coal, harder than anthracite, also of organic origin, containing 75-90% carbon). Photographer: AINU / Augustin de Valence

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