Ruby and Sphalerite Physical Properties

Ruby

Sphalerite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.053.95-4.10

1 7.18

1.5 Fracture

Conchoidal

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

No true cleavage

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

1.7 Mohs Hardness

93.5-4

2 10

1.8 Chemical Composition

Al ₂ O ₃

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

Ruby and Sphalerite Chemical Formula

While comparing Ruby 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 Ruby and Sphalerite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Ruby and Sphalerite Specific Gravity

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