Apophyllite KF and Vishnevite Physical Properties

Apophyllite KF

Vishnevite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.33-2.37Not Available

1 7.18

1.5 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

Brittle, Uneven

1.6 Cleavage

Perfect on {001}, imperfect on {110}

Perfect

1.7 Mohs Hardness

4.5-55-6

2 10

1.8 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Not Available

Apophyllite KF and Vishnevite Chemical Formula

While comparing Apophyllite KF and Vishnevite 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 Apophyllite KF and Vishnevite chemical formula.

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

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Apophyllite KF Vs Langbeinite

Apophyllite KF and Vishnevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Vishnevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Vishnevite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is Not Available whereas that of Vishnevite is Not Available.