Sunstone and Apophyllite Physical Properties

Sunstone

Apophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.62-2.652.30-2.50

1 7.18

1.5 Fracture

Gemstones of the world (2001)

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

001

Perfect on (001)

1.7 Mohs Hardness

64.5-5

2 10

1.8 Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Sunstone and Apophyllite Chemical Formula

While comparing Sunstone and Apophyllite 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 chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Sunstone and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Sunstone is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.