Titanite and Apophyllite Physical Properties

Titanite

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

3.48-3.60

2.30-2.50

1.5 Fracture

Sub-Conchoidal, Conchoidal, Brittle

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Distinct on [110], parting on {221}

Perfect on (001)

1.7 Mohs Hardness

5-5.5

4.5-5

1.8 Chemical Composition

Not Available

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

Titanite and Apophyllite Chemical Formula

While comparing Titanite 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 Titanite and Apophyllite chemical formula.

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

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Titanite and Apophyllite Specific Gravity

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