Gahnospinel and Datolite Physical Properties

Gahnospinel

Datolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.65-4.552.90-3.00

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

None, but may exhibit slight parting

None

1.7 Mohs Hardness

7.5-85-5.5

2 10

1.8 Chemical Composition

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

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Gahnospinel and Datolite Chemical Formula

While comparing Gahnospinel and Datolite 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 Datolite chemical formula.

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

Compare Blue Gemstones

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Gahnospinel Vs Lazurite

Gahnospinel Vs Jeremejevite

Gahnospinel and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Datolite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.90-3.00 whereas that of Datolite is 2.90-3.00.