Sunstone and Apophyllite KF Physical Properties

Sunstone

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

2.62-2.652.33-2.37

1 7.18

1.5 Fracture

Gemstones of the world (2001)

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

001

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

64.5-5

2 10

1.8 Chemical Composition

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

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Sunstone and Apophyllite KF Chemical Formula

While comparing Sunstone 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 Sunstone and Apophyllite KF chemical formula.

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

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Sunstone and Apophyllite KF Specific Gravity

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