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Anhydrite and Petoskey Stone Physical Properties


Petoskey Stone and Anhydrite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-2.98   
Not Available   

Fracture
Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
Not Available   

Cleavage
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.   
Not Available   

Mohs Hardness
3.5   
7   

Chemical Composition
CaSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references   
Not Available   

Optical Properties >>
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Anhydrite and Petoskey Stone Chemical Formula

While comparing Anhydrite 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 Anhydrite and Petoskey Stone chemical formula.

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Anhydrite and Petoskey Stone Specific Gravity

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

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