Star Ruby and Dolomite Physical Properties

Star Ruby

Dolomite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Poorly soluble in dilute HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.102.80-2.95

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

Not Available

Perfect on {10 1 1}, rhombohedral cleavage

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

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

CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Star Ruby and Dolomite Chemical Formula

While comparing Star Ruby and Dolomite 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 Dolomite chemical formula.

Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

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Star Ruby Vs Tortoiseshell

Star Ruby Vs Tourmaline

Star Ruby and Dolomite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Dolomite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Dolomite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 2.80-2.95 whereas that of Dolomite is 2.80-2.95.