Augite and Sphalerite Physical Properties

Augite

Sphalerite

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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

3.19-3.563.95-4.10

1 7.18

1.5 Fracture

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

UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

{110} Perfect, {010} Indistinct

{110} Perfect, {110} Perfect, {110} Perfect

1.7 Mohs Hardness

5.5-63.5-4

2 10

1.8 Chemical Composition

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

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Augite and Sphalerite Chemical Formula

While comparing Augite and Sphalerite 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 Sphalerite 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 Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Augite and Sphalerite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augite and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augite and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Augite is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.