Triplite and Austinite Physical Properties

Triplite

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

3.85-3.944.12

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

{010} Good, {100} Distinct

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

1.7 Mohs Hardness

5-5.54-4.5

2 10

1.8 Chemical Composition

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

CaZn(AsO4)(OH)

Triplite and Austinite Chemical Formula

While comparing Triplite 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 Triplite and Austinite chemical formula.

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

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Triplite and Austinite Specific Gravity

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