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Petoskey Stone
Petoskey Stone

Glaucophane
Glaucophane



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Petoskey Stone
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Glaucophane

Petoskey Stone and Glaucophane Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available3-3.15
Amber
1 7.18
1.5 Fracture
Not Available
Conchoidal, Brittle, Conchoidal
1.6 Cleavage
Not Available
Good on [110] and on [001]
1.7 Mohs Hardness
76.0-6.5
Amber
2 10
1.8 Chemical Composition
Not Available
[ ]Na2(Mg3Al2)Si8O22(OH)2

Petoskey Stone and Glaucophane Chemical Formula

While comparing Petoskey Stone and Glaucophane 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 Glaucophane chemical formula.

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  • Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

Petoskey Stone and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Petoskey Stone and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Petoskey Stone and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Petoskey Stone is 3-3.15 whereas that of Glaucophane is 3-3.15.