Hodgkinsonite and Gahnospinel Physical Properties

Hodgkinsonite

Gahnospinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.06-4.083.65-4.55

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{???} Perfect

None, but may exhibit slight parting

1.7 Mohs Hardness

4.5-57.5-8

2 10

1.8 Chemical Composition

Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Hodgkinsonite and Gahnospinel Chemical Formula

While comparing Hodgkinsonite and Gahnospinel 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 Hodgkinsonite and Gahnospinel chemical formula.

Chemical formula of Hodgkinsonite- Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Hodgkinsonite and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hodgkinsonite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hodgkinsonite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Hodgkinsonite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.