Sphalerite and Sellaite Physical Properties

Sphalerite

Sellaite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.95-4.103.14-3.16

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

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

Perfect on {010} and {110}

Mohs Hardness

3.5-45-5.5

2 10

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Chemical Composition

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

MgF 2Ulrich Henn and Claudio C.

Sphalerite and Sellaite Chemical Formula

While comparing Sphalerite and Sellaite 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 Sellaite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.

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Sphalerite and Sellaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Sellaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Sellaite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 3.14-3.16 whereas that of Sellaite is 3.14-3.16.