Diaspore and Gahnospinel Physical Properties

Diaspore

Gahnospinel

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1 Physical Properties

1.1 Tenacity

Very brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.403.65-4.55

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{010} perfect, {110} distinct, {100} in traces

None, but may exhibit slight parting

1.7 Mohs Hardness

6.5-77.5-8

2 10

1.8 Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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

Diaspore and Gahnospinel Chemical Formula

While comparing Diaspore 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 Diaspore and Gahnospinel chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Diaspore and Gahnospinel Specific Gravity

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