Collection: Adamite

Formula: Zn₂(AsO₄)(OH)

Colour: Ideally white, colorless, frequently pale yellow, honey-yellow, brownish yellow, rose red; blue, pale green to green, maybe zoned; bright green (Cu-bearing); bright pink, purple (Co-bearing)

Luster: Vitreous, Sub-Vitreous, Waxy, Greasy

Hardness: 3½

Specific Gravity: 4.32 - 4.48

Crystal System: Orthorhombic

Member of: Olivenite Group