Diaspore and Star Ruby Physical Properties

Diaspore

Star Ruby

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1 Physical Properties

1.1 Tenacity

Very brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.403.95-4.10

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

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

Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Diaspore and Star Ruby Chemical Formula

While comparing Diaspore and Star 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 Star Ruby chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Diaspore and Star Ruby Specific Gravity

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