Tourmaline and Anorthoclase Physical Properties

Tourmaline

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

2.85-3.352.56-2.62

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Indistinct

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

1.7 Mohs Hardness

7-7.56-6.5

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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

Tourmaline and Anorthoclase Chemical Formula

While comparing Tourmaline 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 Tourmaline and Anorthoclase chemical formula.

Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Chemical formula of Anorthoclase- (Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Tourmaline and Anorthoclase Specific Gravity

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