Pyrrhotite and Augite Physical Properties

Pyrrhotite

Augite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.58-4.653.19-3.56

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

Absent

{110} Perfect, {010} Indistinct

1.7 Mohs Hardness

3.5-4.55.5-6

2 10

1.8 Chemical Composition

Not Available

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

Pyrrhotite and Augite Chemical Formula

While comparing Pyrrhotite and Augite 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 Pyrrhotite and Augite 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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Pyrrhotite and Augite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrrhotite and Augite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrrhotite and Augite Optical Properties during the identification of gemstone. Specific gravity of Pyrrhotite is 3.19-3.56 whereas that of Augite is 3.19-3.56.