Pyrargyrite and Gahnospinel Physical Properties

Pyrargyrite

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

5.853.65-4.55

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Distinct on {10 1 1}, imperfect on {01 1 2}

None, but may exhibit slight parting

1.7 Mohs Hardness

2.5-37.5-8

2 10

1.8 Chemical Composition

Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Pyrargyrite and Gahnospinel Chemical Formula

While comparing Pyrargyrite 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 Pyrargyrite and Gahnospinel chemical formula.

Chemical formula of Pyrargyrite- Ag 3SbS 3Michael 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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Pyrargyrite and Gahnospinel Specific Gravity

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