Gahnospinel and Adamite Physical Properties

Gahnospinel

Adamite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.65-4.554.32-4.48

1 7.18

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Fracture

Conchoidal

Uneven, Subconchoidal, Conchoidal

Cleavage

None, but may exhibit slight parting

{101}, good; {010}, poor

Mohs Hardness

7.5-83.5

2 10

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Chemical Composition

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

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

Gahnospinel and Adamite Chemical Formula

While comparing Gahnospinel and Adamite 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 Adamite chemical formula.

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

Compare Blue Gemstones

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Lazurite

Gahnospinel Vs Linarite

Gahnospinel and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Adamite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 4.32-4.48 whereas that of Adamite is 4.32-4.48.