Amblygonite and Austinite Physical Properties

Amblygonite

Austinite

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Physical Properties

Tenacity

Brittle

Solubility

Easily soluble in cold dilute HCl

Durability

Specific Gravity

2.98-3.104.12

1 7.18

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Fracture

Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal

Uneven

Cleavage

[100] Perfect, [110] Good, [011] Distinct

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

Mohs Hardness

64-4.5

2 10

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Chemical Composition

(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

CaZn(AsO4)(OH)

Amblygonite and Austinite Chemical Formula

While comparing Amblygonite 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 Amblygonite and Austinite chemical formula.

Chemical formula of Amblygonite- (Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Austinite- CaZn(AsO4)(OH)

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Amblygonite and Austinite Specific Gravity

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