Gahnospinel and Halite Physical Properties

Gahnospinel

Halite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Water-soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.65-4.552.17

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Brittle, Metallic

1.6 Cleavage

None, but may exhibit slight parting

Perfect {001}, three directions cubic

1.7 Mohs Hardness

7.5-82.0-2.5

2 10

1.8 Chemical Composition

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

NaCl

Gahnospinel and Halite Chemical Formula

While comparing Gahnospinel and Halite 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 Halite chemical formula.

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

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Gahnospinel and Halite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Halite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Halite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.17 whereas that of Halite is 2.17.