Augite and Crocoite Physical Properties

Augite

Crocoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.19-3.565.90-6.10

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

1.6 Cleavage

{110} Perfect, {010} Indistinct

{110} Distinct, {001} Indistinct, {100} Indistinct

1.7 Mohs Hardness

5.5-62.5-3

2 10

1.8 Chemical Composition

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

PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Augite and Crocoite Chemical Formula

While comparing Augite and Crocoite 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 Crocoite chemical formula.

Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Augite and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augite and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augite and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Augite is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.