Gahnospinel and Rock Crystal Physical Properties

Gahnospinel

Rock Crystal

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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

3.65-4.552.65

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

7.5-87

2 10

1.8 Chemical Composition

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

SiO 2Walter Schumann , Gemstones of the world (2001)

Gahnospinel and Rock Crystal Chemical Formula

While comparing Gahnospinel and Rock Crystal 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 Rock Crystal chemical formula.

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

Compare Blue Gemstones

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Hydrogrossular

Gahnospinel Vs Jeremejevite

Gahnospinel and Rock Crystal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Rock Crystal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Rock Crystal Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.65 whereas that of Rock Crystal is 2.65.