Chrome Tourmaline and Austinite Physical Properties

Chrome Tourmaline

Austinite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Easily soluble in cold dilute HCl

1.3 Durability

Not Available

1.4 Specific Gravity

2.85-3.354.12

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

3,2

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

1.7 Mohs Hardness

7-7.54-4.5

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas.

CaZn(AsO4)(OH)

Chrome Tourmaline and Austinite Chemical Formula

While comparing Chrome Tourmaline 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 Chrome Tourmaline and Austinite chemical formula.

Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.
Chemical formula of Austinite- CaZn(AsO4)(OH)

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Chrome Tourmaline and Austinite Specific Gravity

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