Sphalerite and Albite Physical Properties

Sphalerite

Albite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.10

2.60-2.65

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

1.6 Cleavage

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

Perfect on {001}, very good on {010}, imperfect on {110}

1.7 Mohs Hardness

3.5-4

6-6.5

1.8 Chemical Composition

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

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Sphalerite and Albite Chemical Formula

While comparing Sphalerite and Albite 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 Sphalerite and Albite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Sphalerite and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Albite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 2.60-2.65 whereas that of Albite is 2.60-2.65.