Star Ruby and Marialite Physical Properties

Star Ruby

Marialite

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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

3.95-4.102.50

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

Not Available

Distinct on {100} and {110}

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

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

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Star Ruby and Marialite Chemical Formula

While comparing Star Ruby and Marialite 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 Marialite chemical formula.

Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

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Star Ruby Vs Topaz

Star Ruby Vs Tortoiseshell

Star Ruby and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Marialite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 2.50 whereas that of Marialite is 2.50.