Austinite and Sphalerite Physical Properties

Austinite

Sphalerite

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Physical Properties

Tenacity

Brittle

Solubility

Easily soluble in cold dilute HCl

Durability

Specific Gravity

4.123.95-4.10

1 7.18

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Fracture

Uneven

Cleavage

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

{110} Perfect, {110} Perfect, {110} Perfect

Mohs Hardness

4-4.53.5-4

2 10

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Chemical Composition

CaZn(AsO4)(OH)

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Austinite and Sphalerite Chemical Formula

While comparing Austinite and Sphalerite 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 Sphalerite chemical formula.

Chemical formula of Austinite- CaZn(AsO4)(OH)
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Austinite Vs Apophyllite KF

Austinite Vs Gaspeite

Austinite Vs Gyrolite

Austinite and Sphalerite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.