Celestine and Star Ruby Physical Properties

Celestine

Star Ruby

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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

3.90-4.003.95-4.10

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on {001}, good on {210}, poor on {010}

Not Available

1.7 Mohs Hardness

3-3.5Not Available

2 10

1.8 Chemical Composition

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Celestine and Star Ruby Chemical Formula

While comparing Celestine and Star 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 Celestine and Star Ruby chemical formula.

Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Celestine and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Celestine and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Celestine and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Celestine is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.