Pyrope Almandine and Gahnospinel Physical Properties

Pyrope Almandine

Gahnospinel

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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

3.62-4.203.65-4.55

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

None, but may exhibit slight parting

1.7 Mohs Hardness

7-7.57.5-8

2 10

1.8 Chemical Composition

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

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Pyrope Almandine and Gahnospinel Chemical Formula

While comparing Pyrope Almandine and Gahnospinel 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 Gahnospinel chemical formula.

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

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Pyrope Almandine and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrope Almandine and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope Almandine and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Pyrope Almandine is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.