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Neptunite.Colour:	Black. Hardness:	5 - 6.Type Locality:	Narssârssuk pegmatite (Narsarsuk pegmatite), Narssârssuk (Narsarsuk), Igaliku (Igaliko), Narsaq, Kitaa Province (West Greenland), Greenland.

Neptunite.Colour: Black. Hardness: 5 - 6.Type Locality: Narssârssuk pegmatite (Narsarsuk pegmatite), Narssârssuk (Narsarsuk), Igaliku (Igaliko), Narsaq, Kitaa Province (West Greenland), Greenland.

Minasragrite.  Minasragra, Junin, Cerro de Pasco, Provinz Alcides Carrion, Region Pasco, Peru (5/2014) Taille=1.4 mm Copyright Stephan Wolfsried

Minasragrite. Minasragra, Junin, Cerro de Pasco, Provinz Alcides Carrion, Region Pasco, Peru (5/2014) Taille=1.4 mm Copyright Stephan Wolfsried

Sarkinite, synonymous with chondrarsenite and polyarsenite, is a mineral with formula Mn2(AsO4)(OH). The mineral is named for the Greek word σάρκιυος, meaning made of flesh, for its red color and greasy luster. The mineral was first noted in Sweden in 1865 as chondrarsenite, though not identified as Sarkinite until 1885.

Sarkinite, synonymous with chondrarsenite and polyarsenite, is a mineral with formula Mn2(AsO4)(OH). The mineral is named for the Greek word σάρκιυος, meaning made of flesh, for its red color and greasy luster. The mineral was first noted in Sweden in 1865 as chondrarsenite, though not identified as Sarkinite until 1885.

Leverettite Torrecillas mine, Salar Grande, El Tamarugal Province, Tarapacá Region, Chile Copyright © Vincent Bourgoin 2013

Leverettite Torrecillas mine, Salar Grande, El Tamarugal Province, Tarapacá Region, Chile Copyright © Vincent Bourgoin 2013

Robertsite et Jahnsite-(CaMnMg). Tip Top Mine, Fourmile, Custer Distrikt, Custer Co., South Dakota, USA FOV=3 mm Photo Stephan Wolfsried

Robertsite et Jahnsite-(CaMnMg). Tip Top Mine, Fourmile, Custer Distrikt, Custer…

Ericaite. Bischofferode, Thuringia, Germany Taille=3.7 mm Collection et photo Thomas Witzke

Bischofferode, Thuringia, Germany mm Collection et photo Thomas Witzke

Orpiment, Baryte  mw

Spheres of extremely fine-grained orpiment on jagged baryte blades. Macro photos of this specimen have been organized under parent photo Copyright © Tony Peterson

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