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Petoskey Stone and Tourmaline Physical Properties


Tourmaline and Petoskey Stone Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
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Not Available   

Durability
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Not Available   

Specific Gravity
Not Available   
2.85-3.35   

Fracture
Not Available   
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Not Available   
Indistinct   

Mohs Hardness
7   
7-7.5   

Chemical Composition
Not Available   
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.   

Optical Properties >>
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Petoskey Stone and Tourmaline Chemical Formula

While comparing Petoskey Stone and Tourmaline 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 Petoskey Stone and Tourmaline chemical formula.

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Petoskey Stone and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Petoskey Stone and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Petoskey Stone and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Petoskey Stone is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.

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