Almandine and Chrome Pyrope Physical Properties

Almandine

Chrome Pyrope

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.303.62-3.80

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

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

1.6 Cleavage

none

Not Available

1.7 Mohs Hardness

7-7.57-7.5

2 10

1.8 Chemical Composition

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Almandine and Chrome Pyrope Chemical Formula

While comparing Almandine 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 Almandine and Chrome Pyrope chemical formula.

Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Chrome Pyrope- Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)

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Almandine and Chrome Pyrope Specific Gravity

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