Franklinite and Austinite Physical Properties

Franklinite

Austinite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

5.05-5.22

Uneven

None

5.5-6

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

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)

Franklinite and Austinite Chemical Formula

While comparing Franklinite 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 Franklinite and Austinite chemical formula.

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Franklinite and Austinite Specific Gravity

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