Austinite and Jacobsite Physical Properties

Austinite

Jacobsite

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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)

4.76-5.03

Conchoidal

None

5.5-6.5

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Austinite and Jacobsite Chemical Formula

While comparing Austinite and Jacobsite 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 Jacobsite chemical formula.

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Austinite and Jacobsite Specific Gravity

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