Adamite and Gahnospinel Physical Properties

Adamite

Gahnospinel

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

3.65-4.55

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{101}, good; {010}, poor

None, but may exhibit slight parting

1.7 Mohs Hardness

3.5

7.5-8

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

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

Adamite and Gahnospinel Chemical Formula

While comparing Adamite 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 Adamite and Gahnospinel chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Adamite and Gahnospinel Specific Gravity

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