Ruby and Scheelite Physical Properties

Ruby

Scheelite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.055.9-6.3

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

No true cleavage

On {101}, distinct; on {112}, interrupted; on {001}, indistinct

1.7 Mohs Hardness

94.5-5

2 10

1.8 Chemical Composition

Al ₂ O ₃

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

Ruby and Scheelite Chemical Formula

While comparing Ruby and Scheelite 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 Scheelite chemical formula.

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

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Ruby and Scheelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Scheelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Scheelite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 5.9-6.3 whereas that of Scheelite is 5.9-6.3.