Sphalerite and Star Sapphire Physical Properties

Sphalerite

Star Sapphire

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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

3.95-4.10

3.90-4.05

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

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

3.5-4

Not Available

1.8 Chemical Composition

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

Al 2O 3Ulrich Henn and Claudio C.

Sphalerite and Star Sapphire Chemical Formula

While comparing Sphalerite and Star Sapphire 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 Star Sapphire chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

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Sphalerite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.