Augite and Zinnwaldite Physical Properties

Augite

Zinnwaldite

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1 Physical Properties

1.1 Tenacity

Not Available

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.19-3.562.9-3.1

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

{110} Perfect, {010} Indistinct

Perfect basal {001}

1.7 Mohs Hardness

5.5-63.5-4.0

2 10

1.8 Chemical Composition

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

Not Available

Augite and Zinnwaldite Chemical Formula

While comparing Augite and Zinnwaldite 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 Zinnwaldite chemical formula.

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

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Augite and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Augite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.