Chrysoprase and Austinite Physical Properties

Chrysoprase

Austinite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Easily soluble in cold dilute HCl

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.644.12

1 7.18

1.5 Fracture

Gems, Sixth Edition (2006)

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

None

Good in two directions parallel to the prism faces {110}

1.7 Mohs Hardness

6.5-74-4.5

2 10

1.8 Chemical Composition

SiO₂ (with a high level of nickel impurities )

CaZn(AsO4)(OH)

Chrysoprase and Austinite Chemical Formula

While comparing Chrysoprase and Austinite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Chrysoprase and Austinite chemical formula.

Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )
Chemical formula of Austinite- CaZn(AsO4)(OH)

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Chrysoprase and Austinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoprase and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoprase and Austinite Optical Properties during the identification of gemstone. Specific gravity of Chrysoprase is 4.12 whereas that of Austinite is 4.12.