Pyrope Almandine and Anorthite Physical Properties

Pyrope Almandine

Anorthite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-4.202.77

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Not Available

Perfect [001] good [010] poor [110]

1.7 Mohs Hardness

7-7.56-6.5

2 10

1.8 Chemical Composition

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

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Pyrope Almandine and Anorthite Chemical Formula

While comparing Pyrope Almandine and Anorthite 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 Pyrope Almandine and Anorthite chemical formula.

Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Pyrope Almandine and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrope Almandine and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope Almandine and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Pyrope Almandine is 2.77 whereas that of Anorthite is 2.77.