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Mineralpedia Details for Roselite

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Roselite

Roselite

For Gustav Rose, a former Professor of Mineralogy at the University of Berlin in Berlin, Germany. Roselite is a secondary mineral that can be found  in cobalt-rich hydrothermal deposits at localities including Germany, Bou Azzer, Morocco, and Spain, among other localities.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/roselite.pdf

Formula
Ca2Co(AsO4)2ยท2H2
Crystal System
Monoclinic 
Crystal Habit
Mammillary, Spherical, Druse 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
dark rose red, pink 
Streak
light red 
Class
Monoclinic - Prismatic 
Hardness
3.5 
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Roselite from Bou Azzer dist., Anti-Atlas, Morocco

Roselite
            from Bou Azzer dist., Anti-Atlas, Morocco

Tiny glassy pink rhombs of Roselite to 1mm on slightly cobaltoan Calcite.

Superb crystals of pink Roselite-Wendwilsonite. he crystals are about 2mm in size and are associated with a exceptional crystals of water clear Calcite and cobaltoan Calcite.

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