Sphalerite and Sylvite Physical Properties

Sphalerite

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.101.993

1 7.18

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, Brittle

1.6 Cleavage

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

Perfect on [100], [010], [001]

1.7 Mohs Hardness

3.5-42.5

2 10

1.8 Chemical Composition

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

Not Available

Sphalerite and Sylvite Chemical Formula

While comparing Sphalerite and Sylvite 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 Sylvite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sphalerite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 1.993 whereas that of Sylvite is 1.993.