Thulite and Anorthoclase Physical Properties

Thulite

Anorthoclase

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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

3.12.56-2.62

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect {010} imperfect {100}

From the Greek for oblique and fracture, descriptive of the cleavage

1.7 Mohs Hardness

6-76-6.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

(Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Thulite and Anorthoclase Chemical Formula

While comparing Thulite and Anorthoclase 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 Thulite and Anorthoclase chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Anorthoclase- (Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Thulite and Anorthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thulite and Anorthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Anorthoclase Optical Properties during the identification of gemstone. Specific gravity of Thulite is 2.56-2.62 whereas that of Anorthoclase is 2.56-2.62.