Apophyllite KF and Sunstone Physical Properties

Apophyllite KF

Sunstone

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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

2.33-2.372.62-2.65

1 7.18

1.5 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

Gemstones of the world (2001)

1.6 Cleavage

Perfect on {001}, imperfect on {110}

001

1.7 Mohs Hardness

4.5-56

2 10

1.8 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

Apophyllite KF and Sunstone Chemical Formula

While comparing Apophyllite KF and Sunstone 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 Sunstone chemical formula.

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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Apophyllite KF and Sunstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Sunstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Sunstone Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 2.62-2.65 whereas that of Sunstone is 2.62-2.65.