Austinite and Fluorite Physical Properties

Austinite

Fluorite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Easily soluble in cold dilute HCl

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

4.123.00-3.25

1 7.18

1.5 Fracture

Brittle, Uneven, Brittle, Uneven

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

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

Octahedral, perfect on {111}, parting on {011}

1.7 Mohs Hardness

4-4.54

2 10

1.8 Chemical Composition

CaZn(AsO4)(OH)

CaF₂

Austinite and Fluorite Chemical Formula

While comparing Austinite and Fluorite 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 Fluorite chemical formula.

Chemical formula of Austinite- CaZn(AsO4)(OH)
Chemical formula of Fluorite- CaF₂

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Austinite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.