Star Sapphire and Sphalerite Physical Properties

Star Sapphire

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

3.90-4.053.95-4.10

1 7.18

2.4 Fracture

Not Available

UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven

2.5 Cleavage

Not Available

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

2.6 Mohs Hardness

Not Available3.5-4

2 10

2.9 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

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

Star Sapphire and Sphalerite Chemical Formula

While comparing Star Sapphire 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 Star Sapphire and Sphalerite chemical formula.

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

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Star Sapphire and Sphalerite Specific Gravity

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