Demantoid and Apophyllite KF Physical Properties

Demantoid

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

3.77-3.952.33-2.37

1 7.18

1.5 Fracture

Not Available

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

Not Available

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

6.54.5-5

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Demantoid and Apophyllite KF Chemical Formula

While comparing Demantoid 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 Demantoid and Apophyllite KF chemical formula.

Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

Compare Green Gemstones

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Demantoid Vs Emerald

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Demantoid and Apophyllite KF Specific Gravity

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