Gahnospinel and Atacamite Physical Properties

Gahnospinel

Atacamite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.65-4.553.745-3.776

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

None, but may exhibit slight parting

Perfect on {010}, fair on {101}

1.7 Mohs Hardness

7.5-83-3.5

2 10

1.8 Chemical Composition

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

Cu2Cl(OH)3

Gahnospinel and Atacamite Chemical Formula

While comparing Gahnospinel and Atacamite 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 Atacamite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Atacamite- Cu2Cl(OH)3

Compare Blue Gemstones

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Hydrogrossular

Gahnospinel and Atacamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.