Shigaite and Apophyllite KF Physical Properties

Shigaite

Apophyllite KF

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1 Physical Properties

1.1 Tenacity

Moderately ﬂexible

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.322.33-2.37

1 7.18

1.5 Fracture

Flexible Flexible fragments.

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

Perfect on {0001}

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

24.5-5

2 10

1.8 Chemical Composition

Not Available

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Shigaite and Apophyllite KF Chemical Formula

While comparing Shigaite 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 Shigaite and Apophyllite KF chemical formula.

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

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Shigaite and Apophyllite KF Specific Gravity

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