Gahnospinel and Benitoite Physical Properties

Gahnospinel

Benitoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Insoluble: HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.65-4.553.61-3.68

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

None, but may exhibit slight parting

[10 1 1] poor

1.7 Mohs Hardness

7.5-86-6.5

2 10

1.8 Chemical Composition

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

BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Gahnospinel and Benitoite Chemical Formula

While comparing Gahnospinel and Benitoite 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 Benitoite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Hydrogrossular

Gahnospinel and Benitoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Benitoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Benitoite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 3.61-3.68 whereas that of Benitoite is 3.61-3.68.