Sugilite and Augite Physical Properties

Sugilite

Augite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.69-2.79

Conchoidal

Poor on {0001}

5.5-6.5

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3.19-3.56

Uneven, Conchoidal

{110} Perfect, {010} Indistinct

5.5-6

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

Sugilite and Augite Chemical Formula

While comparing Sugilite 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 Sugilite and Augite chemical formula.

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Sugilite and Augite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sugilite and Augite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite Vs Augite during the identification of gemstone. Specific gravity of Sugilite is whereas that of Augite is .