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Carminite | ‪#‎Geology

Formula: PbFe3+2(AsO4)2(OH)2
System: Orthorhombic
Lustre: Vitreous, Pearly
Diaphaneity (Transparency): Translucent
Comment: Lustre pearly on cleavages.
Colour: Carmine-red, terra cotta-red, reddish brown; red in transmitted light.
Streak:Reddish yellow
Hardness (Mohs):3½
Tenacity:Brittle

Locality: Alto das Quelhas do Gestoso Mine, Gestoso, Manhouce, São Pedro do Sul, Viseu District, Portugal



 
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