Ruby and Mellite Physical Properties

Ruby

Mellite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.051.58-1.60

1 7.18

1.5 Fracture

Conchoidal

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

No true cleavage

{011} Imperfect

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Al ₂ O ₃

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Ruby and Mellite Chemical Formula

While comparing Ruby and Mellite 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 Ruby and Mellite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

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Ruby and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Mellite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 1.58-1.60 whereas that of Mellite is 1.58-1.60.