Mimetite and Gahnospinel Physical Properties

Mimetite

Gahnospinel

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

7.103.65-4.55

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

[10 1 1] Imperfect

None, but may exhibit slight parting

1.7 Mohs Hardness

3.57.5-8

2 10

1.8 Chemical Composition

Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Mimetite and Gahnospinel Chemical Formula

While comparing Mimetite 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 Mimetite and Gahnospinel chemical formula.

Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael 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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Mimetite and Gahnospinel Specific Gravity

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