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Austinite
Austinite

Almandine
Almandine



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Austinite
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Almandine

Austinite and Almandine Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Easily soluble in cold dilute HCl
-
4.12
Uneven
Good in two directions parallel to the prism faces {110}
4-4.5
CaZn(AsO4)(OH)
 
-
-
-
3.95-4.30
Conchoidal
none
7-7.5
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Austinite and Almandine Chemical Formula

While comparing Austinite and Almandine 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 Almandine chemical formula.

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Austinite and Almandine Specific Gravity

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