Sinhalite and Sphalerite Physical Properties

Sinhalite

Sphalerite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.46-3.503.95-4.10

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), 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

Not Available

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

1.7 Mohs Hardness

6-73.5-4

2 10

1.8 Chemical Composition

MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Sinhalite and Sphalerite Chemical Formula

While comparing Sinhalite 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 Sinhalite and Sphalerite chemical formula.

Chemical formula of Sinhalite- MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sinhalite and Sphalerite Specific Gravity

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