Sylvite and Sphalerite Physical Properties

Sylvite

Sphalerite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9933.95-4.10

1 7.18

1.5 Fracture

Uneven, Brittle

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

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

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

1.7 Mohs Hardness

2.53.5-4

2 10

1.8 Chemical Composition

Not Available

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

Sylvite and Sphalerite Chemical Formula

While comparing Sylvite 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 Sylvite and Sphalerite chemical formula.

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

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Sylvite and Sphalerite Specific Gravity

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