Augite and Hardystonite Physical Properties

Augite

Hardystonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.19-3.563.396-3.443

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

{110} Perfect, {010} Indistinct

[001] good, [100] and [110] fair

1.7 Mohs Hardness

5.5-63-4

2 10

1.8 Chemical Composition

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

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Augite and Hardystonite Chemical Formula

While comparing Augite and Hardystonite 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 Hardystonite 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 Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

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Augite and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augite and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augite and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Augite is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.