Sphalerite and Glaucophane Physical Properties

Sphalerite

Glaucophane

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.95-4.103-3.15

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

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

Good on [110] and on [001]

Mohs Hardness

3.5-46.0-6.5

2 10

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Chemical Composition

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

[ ]Na2(Mg3Al2)Si8O22(OH)2

Sphalerite and Glaucophane Chemical Formula

While comparing Sphalerite and Glaucophane 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 Glaucophane chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Sphalerite and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 3-3.15 whereas that of Glaucophane is 3-3.15.