Adamite and Alabaster Physical Properties

Adamite

Alabaster

Adamite

Alabaster

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.482.30

1 7.18

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

Not Available

1.6 Cleavage

{101}, good; {010}, poor

Not Available

1.7 Mohs Hardness

3.52

2 10

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)

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