Gahnospinel and Gypsum Physical Properties

Gahnospinel

Gypsum

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1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.65-4.552.20-2.40

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

None, but may exhibit slight parting

Perfect on {010}, distinct on {100}

1.7 Mohs Hardness

7.5-82

2 10

1.8 Chemical Composition

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

CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Gahnospinel and Gypsum Chemical Formula

While comparing Gahnospinel and Gypsum 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 Gypsum chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Compare Blue Gemstones

Gahnospinel Vs Hydrogrossular

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel and Gypsum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Gypsum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Gypsum Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.20-2.40 whereas that of Gypsum is 2.20-2.40.