Sphalerite and Gaylussite Physical Properties

Sphalerite

Gaylussite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

decomposes in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.101.93-1.99

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

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

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

perfect [110]

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

Na2Ca(CO3)2•5(H2O)

Sphalerite and Gaylussite Chemical Formula

While comparing Sphalerite and Gaylussite 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 Gaylussite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)

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Sphalerite and Gaylussite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Gaylussite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Gaylussite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 1.93-1.99 whereas that of Gaylussite is 1.93-1.99.