Poudretteite and Augite Physical Properties

Poudretteite

Augite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.533.19-3.56

1 7.18

1.5 Fracture

Conchoidal, Splintery

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

1.6 Cleavage

None

{110} Perfect, {010} Indistinct

1.7 Mohs Hardness

55.5-6

2 10

1.8 Chemical Composition

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Poudretteite and Augite Chemical Formula

While comparing Poudretteite 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 Poudretteite and Augite chemical formula.

Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Compare Violet Gemstones

Poudretteite Vs Rutilated Quartz

Poudretteite Vs Rubellite

Poudretteite Vs Sapphire

Poudretteite and Augite Specific Gravity

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