Fluorite and Austinite Physical Properties

Fluorite

Austinite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Easily soluble in cold dilute HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.254.12

1 7.18

1.5 Fracture

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

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

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

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

1.7 Mohs Hardness

44-4.5

2 10

1.8 Chemical Composition

CaF₂

CaZn(AsO4)(OH)

Fluorite and Austinite Chemical Formula

While comparing Fluorite 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 Fluorite and Austinite chemical formula.

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

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Fluorite and Austinite Specific Gravity

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