Augite and Legrandite Physical Properties

Augite

Legrandite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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)

Brittle

3.98-4.04

Conchoidal

Imperfect, poor one {100}

4.5-5

Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Augite and Legrandite Chemical Formula

While comparing Augite and Legrandite 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 Legrandite chemical formula.

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Augite Vs Chalcopyrite

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Augite Vs Chlorastrolite

Augite and Legrandite Specific Gravity

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