Anglesite
Formula | PbSO4 |
Origin | Monteponi Mine, Sardinien (Italy) |
Description | Light yellow anglesite crystals on matrix of galenite. |
Classification (Lapis) | Sulfates |
Crystal System | orthorhombic |
Hardness | 2,5 – 3,0 |
Colour | Colorless to white, commonly tinted gray; orange, yellow, green, blue, rarely violet; colorless in transmitted light |
Streak | white |
Luminescence | different colours possible |
Luster | Vitreous gloss |
Transparency (Opacity) | transparent to opaque |
Cleavage | good |
Fracture | conchoidal |
Magnetism | negative |
Geological Setting | Common in the oxidized zone of lead deposits, where it may constitute an important ore |
Specific Gravity | 6,38 g/cm3 |
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#© Mark Holtkamp