Augite and Sanidine Physical Properties

Augite

Sanidine

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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

3.19-3.562.54-2.61

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{110} Perfect, {010} Indistinct

{001} Perfect, {010} Good

1.7 Mohs Hardness

5.5-66

2 10

1.8 Chemical Composition

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Augite and Sanidine Chemical Formula

While comparing Augite and Sanidine 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 Augite and Sanidine chemical formula.

Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Augite and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augite and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augite and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Augite is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.