Star Ruby and Mellite Physical Properties

Star Ruby

Mellite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.101.58-1.60

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

Not Available

{011} Imperfect

1.7 Mohs Hardness

Not Available2

2 10

1.8 Chemical Composition

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

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

Star Ruby and Mellite Chemical Formula

While comparing Star 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 Star Ruby and Mellite chemical formula.

Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Compare Blue Gemstones

Star Ruby Vs Tourmaline

Star Ruby Vs Topaz

Star Ruby Vs Tortoiseshell

Star Ruby and Mellite Specific Gravity

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