Ruby and Stichtite Physical Properties

Ruby

Stichtite

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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

3.97-4.052.11-2.20

1 7.18

1.5 Fracture

Conchoidal

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

No true cleavage

Perfect on {0001}

1.7 Mohs Hardness

9Not Available

2 10

1.8 Chemical Composition

Al ₂ O ₃

Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ruby and Stichtite Chemical Formula

While comparing Ruby and Stichtite 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 Stichtite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Ruby and Stichtite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Stichtite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Stichtite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.11-2.20 whereas that of Stichtite is 2.11-2.20.