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Petoskey Stone
Petoskey Stone

Moonstone
Moonstone



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Petoskey Stone
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Moonstone

Petoskey Stone and Moonstone Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

-99992.56-2.60
1 7.18
👆🏻

Fracture

-
Uneven, ConchoidalWalter Schumann

Cleavage

None
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

Mohs Hardness

76-6.5
2 10
👆🏻

Chemical Composition

CaCO3
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8

Petoskey Stone and Moonstone Chemical Formula

While comparing Petoskey Stone and Moonstone 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 Moonstone chemical formula.

  • Chemical formula of Petoskey Stone- CaCO3
  • Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8

Petoskey Stone and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Petoskey Stone and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Petoskey Stone and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Petoskey Stone is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.