Augite and Chrysoprase Physical Properties

Augite

Chrysoprase

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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

3.19-3.562.58-2.64

1 7.18

1.5 Fracture

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

Gems, Sixth Edition (2006)

1.6 Cleavage

{110} Perfect, {010} Indistinct

None

1.7 Mohs Hardness

5.5-66.5-7

2 10

1.8 Chemical Composition

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

SiO₂ (with a high level of nickel impurities )

Augite and Chrysoprase Chemical Formula

While comparing Augite and Chrysoprase 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 Chrysoprase 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 Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Augite and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augite and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augite and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Augite is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.