Coral and Apophyllite KF Physical Properties

Coral

Apophyllite KF

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.70

2.33-2.37

1.5 Fracture

Irregular, Irregular, Gemstones of the world (2001)

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

Not Available

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

3-4

4.5-5

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Coral and Apophyllite KF Chemical Formula

While comparing Coral 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 Coral and Apophyllite KF chemical formula.

Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

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Coral and Apophyllite KF Specific Gravity

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