Apophyllite and Kurnakovite Physical Properties

Apophyllite

Kurnakovite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.501.847-1.852

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Brittle, Conchoidal

1.6 Cleavage

Perfect on (001)

Poor to indistinct on {010}

1.7 Mohs Hardness

4.5-52-3

2 10

1.8 Chemical Composition

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

Not Available

Apophyllite and Kurnakovite Chemical Formula

While comparing Apophyllite and Kurnakovite 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 and Kurnakovite chemical formula.

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

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Apophyllite and Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.