Gahnospinel and Forsterite Physical Properties

Gahnospinel

Forsterite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.65-4.553.23-3.26

1 7.18

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Fracture

Conchoidal

Cleavage

None, but may exhibit slight parting

Perfect on {010} imperfect on {100}

Mohs Hardness

7.5-86.5-7

2 10

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Chemical Composition

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

Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Gahnospinel and Forsterite Chemical Formula

While comparing Gahnospinel and Forsterite 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 Forsterite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Lazurite

Gahnospinel Vs Linarite

Gahnospinel and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.