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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

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

-99993-3.15
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

None
Good on [110] and on [001]

Mohs Hardness

76.0-6.5
2 10
👆🏻

Chemical Composition

CaCO3
[ ]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.

  • Chemical formula of Petoskey Stone- CaCO3
  • 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.