Axinite and Ruby Physical Properties

Axinite

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

3.26-3.363.97-4.05

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal

1.6 Cleavage

Good on {100}

No true cleavage

1.7 Mohs Hardness

6.5-79

2 10

1.8 Chemical Composition

(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Al ₂ O ₃

Axinite and Ruby Chemical Formula

While comparing Axinite 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 Axinite and Ruby chemical formula.

Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Ruby- Al ₂ O ₃

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Axinite and Ruby Specific Gravity

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