Gahnospinel and Moldavite Physical Properties

Gahnospinel

Moldavite

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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

3.65-4.552.32-2.38

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

None, but may exhibit slight parting

Not Available

1.7 Mohs Hardness

7.5-85.5

2 10

1.8 Chemical Composition

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

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Gahnospinel and Moldavite Chemical Formula

While comparing Gahnospinel and Moldavite 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 Gahnospinel and Moldavite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Compare Blue Gemstones

Gahnospinel Vs Hydrogrossular

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Jeremejevite

Gahnospinel and Moldavite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.