Austinite and Apophyllite KF Physical Properties

Austinite

Apophyllite KF

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Easily soluble in cold dilute HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.122.33-2.37

1 7.18

1.5 Fracture

Brittle, Uneven, Brittle, Uneven

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

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

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

4-4.54.5-5

2 10

1.8 Chemical Composition

CaZn(AsO4)(OH)

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Austinite and Apophyllite KF Chemical Formula

While comparing Austinite and Apophyllite KF 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 Apophyllite KF chemical formula.

Chemical formula of Austinite- CaZn(AsO4)(OH)
Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

Compare Green Gemstones

Austinite Vs Cordierite

Austinite Vs Clintonite

Austinite Vs Apophyllite KF

Austinite and Apophyllite KF Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.