Ruby and Chrome Pyrope Physical Properties

Ruby

Chrome Pyrope

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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

3.97-4.053.62-3.80

1 7.18

1.5 Fracture

Conchoidal

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

No true cleavage

Not Available

1.7 Mohs Hardness

97-7.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)

Ruby and Chrome Pyrope Chemical Formula

While comparing Ruby and Chrome Pyrope 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 Chrome Pyrope chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Chrome Pyrope- Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)

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Ruby and Chrome Pyrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Chrome Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Chrome Pyrope Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.62-3.80 whereas that of Chrome Pyrope is 3.62-3.80.