Diaspore and Ruby Physical Properties

Diaspore

Ruby

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1 Physical Properties

1.1 Tenacity

Very brittle

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.403.97-4.05

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Conchoidal

1.6 Cleavage

{010} perfect, {110} distinct, {100} in traces

No true cleavage

1.7 Mohs Hardness

6.5-79

2 10

1.8 Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Al ₂ O ₃

Diaspore and Ruby Chemical Formula

While comparing Diaspore 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 Diaspore and Ruby chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Ruby- Al ₂ O ₃

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Diaspore and Ruby Specific Gravity

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