Pyrope Spessartine and Gahnospinel Physical Properties

Pyrope Spessartine

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

3.62-4.333.65-4.55

1 7.18

1.5 Fracture

Uneven, Uneven, 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

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

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

Pyrope Spessartine and Gahnospinel Chemical Formula

While comparing Pyrope Spessartine 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 Spessartine and Gahnospinel chemical formula.

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

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Pyrope Spessartine and Gahnospinel Specific Gravity

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