Topazolite and Ruby Physical Properties

Topazolite

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

3.70-4.103.97-4.05

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal

1.6 Cleavage

Not Available

No true cleavage

1.7 Mohs Hardness

6.5-79

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Al ₂ O ₃

Topazolite and Ruby Chemical Formula

While comparing Topazolite 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 Topazolite and Ruby chemical formula.

Chemical formula of Topazolite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Ruby- Al ₂ O ₃

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Topazolite and Ruby Specific Gravity

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