Carminite and Segnitite
Carminite | #Geology
Formula: PbFe23+(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
From: Meleg Hill, Hungary
Photo Tóth László