Achroite and Austinite Physical Properties

Achroite

Austinite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.90-3.40

Uneven, ConchoidalWalter Schumann

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Brittle

Easily soluble in cold dilute HCl

4.12

Uneven

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

4-4.5

CaZn(AsO4)(OH)

Achroite and Austinite Chemical Formula

While comparing Achroite 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 Achroite and Austinite chemical formula.

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Achroite and Austinite Specific Gravity

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