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Chemical Composition: Zn2(AsO4)(OH)
Group: -
System: Orthorhombic
Family: Phosphates
Hardness: 3.5
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- Elongated, fairly small crystals
- Good cleavage
- Vitreous luster
- Other colours: bright green, colourless, pink, violet
- Fragile
- Transparent to translucent
- Dissolves easily in dilute acids
- Fuses
- White streak
- Sometimes fluorescent lemon-yellow in ultraviolet light
- Specific gravity 4.3 - 4.5
- Found in: Chile, France, Greece, Italy, Mexico, Namibia,
USA
- Very rare
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