Pyrope and Gahnospinel Physical Properties

Pyrope

Gahnospinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-3.873.65-4.55

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

None, but may exhibit slight parting

1.7 Mohs Hardness

7-7.57.5-8

2 10

1.8 Chemical Composition

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

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

Pyrope and Gahnospinel Chemical Formula

While comparing Pyrope 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 and Gahnospinel chemical formula.

Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Compare Red Gemstones

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Pyrope and Gahnospinel Specific Gravity

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