Augite and Rubellite Physical Properties

Augite

Rubellite

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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)

3.01-3.06

Conchoidal

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Augite and Rubellite Chemical Formula

While comparing Augite and Rubellite 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 Rubellite chemical formula.

Compare Green Gemstones

Augite Vs Chalcopyrite

Augite Vs Chlorapatite

Augite Vs Chlorastrolite

Augite and Rubellite Specific Gravity

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