Gahnospinel and Petoskey Stone Physical Properties

Gahnospinel

Petoskey Stone

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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

3.65-4.55Not Available

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

None, but may exhibit slight parting

Not Available

1.7 Mohs Hardness

7.5-87

2 10

1.8 Chemical Composition

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

Not Available

Gahnospinel and Petoskey Stone Chemical Formula

While comparing Gahnospinel and Petoskey Stone 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 Petoskey Stone chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Gahnospinel and Petoskey Stone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Petoskey Stone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Petoskey Stone Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is Not Available whereas that of Petoskey Stone is Not Available.