Austinite and Triplite Physical Properties

Austinite

Triplite

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Physical Properties

Tenacity

Brittle

Solubility

Easily soluble in cold dilute HCl

Durability

Specific Gravity

4.123.85-3.94

1 7.18

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Fracture

Uneven

Conchoidal, Uneven

Cleavage

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

{010} Good, {100} Distinct

Mohs Hardness

4-4.55-5.5

2 10

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Chemical Composition

CaZn(AsO4)(OH)

(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Austinite and Triplite Chemical Formula

While comparing Austinite and Triplite 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 Austinite and Triplite chemical formula.

Chemical formula of Austinite- CaZn(AsO4)(OH)
Chemical formula of Triplite- (Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Austinite Vs Apophyllite KF

Austinite Vs Gaspeite

Austinite Vs Gyrolite

Austinite and Triplite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Triplite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Triplite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 3.85-3.94 whereas that of Triplite is 3.85-3.94.