Glaucophane and Gahnospinel Physical Properties

Glaucophane

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

3-3.153.65-4.55

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Good on [110] and on [001]

None, but may exhibit slight parting

1.7 Mohs Hardness

6.0-6.57.5-8

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

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

Glaucophane and Gahnospinel Chemical Formula

While comparing Glaucophane 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 Glaucophane and Gahnospinel chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Glaucophane and Gahnospinel Specific Gravity

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