Ruby and Pyrope Almandine Physical Properties

Ruby

Pyrope Almandine

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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

3.97-4.053.62-4.20

1 7.18

1.5 Fracture

Conchoidal

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

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

(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

Ruby and Pyrope Almandine Chemical Formula

While comparing Ruby and Pyrope Almandine 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 Pyrope Almandine chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

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Ruby and Pyrope Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Pyrope Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Pyrope Almandine Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.62-4.20 whereas that of Pyrope Almandine is 3.62-4.20.