Austinite and Celestine Physical Properties

Austinite

Celestine

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Physical Properties

Tenacity

Brittle

Solubility

Easily soluble in cold dilute HCl

Durability

Specific Gravity

4.123.90-4.00

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

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

Perfect on {001}, good on {210}, poor on {010}

Mohs Hardness

4-4.53-3.5

2 10

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Chemical Composition

CaZn(AsO4)(OH)

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Austinite and Celestine Chemical Formula

While comparing Austinite and Celestine 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 Celestine chemical formula.

Chemical formula of Austinite- CaZn(AsO4)(OH)
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Austinite Vs Apophyllite KF

Austinite Vs Gaspeite

Austinite Vs Gyrolite

Austinite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Austinite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.