Rhodizite and Ruby Physical Properties

Rhodizite

Ruby

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.34-3.443.97-4.05

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

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

No true cleavage

1.7 Mohs Hardness

8-8.59

2 10

1.8 Chemical Composition

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

Al ₂ O ₃

Rhodizite and Ruby Chemical Formula

While comparing Rhodizite and Ruby 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 Rhodizite and Ruby chemical formula.

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

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Rhodizite and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodizite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodizite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Rhodizite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.