Opal Ethiopia and Gahnospinel Physical Properties

Opal Ethiopia

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

Not Available3.65-4.55

1 7.18

1.5 Fracture

Not Available

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

None, but may exhibit slight parting

1.7 Mohs Hardness

5.5-6.57.5-8

2 10

1.8 Chemical Composition

Not Available

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

Opal Ethiopia and Gahnospinel Chemical Formula

While comparing Opal Ethiopia 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 Opal Ethiopia and Gahnospinel chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Opal Ethiopia and Gahnospinel Specific Gravity

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