Gaylussite and Sphalerite Physical Properties

Gaylussite

Sphalerite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

decomposes in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.93-1.993.95-4.10

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, 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 [110]

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

1.7 Mohs Hardness

2.53.5-4

2 10

1.8 Chemical Composition

Na2Ca(CO3)2•5(H2O)

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

Gaylussite and Sphalerite Chemical Formula

While comparing Gaylussite 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 Gaylussite and Sphalerite chemical formula.

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

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Gaylussite and Sphalerite Specific Gravity

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