Grossular Garnet and Austinite Physical Properties

Grossular Garnet

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

3.64.12

1 7.18

1.5 Fracture

Not Available

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

None

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

1.7 Mohs Hardness

6.5-7.54-4.5

2 10

1.8 Chemical Composition

Ca₃Al₂Si₃O₁₂

CaZn(AsO4)(OH)

Grossular Garnet and Austinite Chemical Formula

While comparing Grossular Garnet 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 Grossular Garnet and Austinite chemical formula.

Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂
Chemical formula of Austinite- CaZn(AsO4)(OH)

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Grossular Garnet and Austinite Specific Gravity

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