Ruby and Rhodizite Physical Properties

Ruby

Rhodizite

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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

3.97-4.053.34-3.44

1 7.18

1.5 Fracture

Conchoidal

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

No true cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

1.7 Mohs Hardness

98-8.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ruby and Rhodizite Chemical Formula

While comparing Ruby and Rhodizite 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 Rhodizite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Rhodizite- (K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Ruby and Rhodizite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Rhodizite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Rhodizite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.34-3.44 whereas that of Rhodizite is 3.34-3.44.