Petoskey Stone and Kyanite Physical Properties

Petoskey Stone

Kyanite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.53-3.65

1 7.18

1.5 Fracture

Not Available

Splintery, Brittle, Metallic

1.6 Cleavage

Not Available

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

74-7

2 10

1.8 Chemical Composition

Not Available

Petoskey Stone and Kyanite Chemical Formula

While comparing Petoskey Stone and Kyanite 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 Kyanite chemical formula.

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Petoskey Stone and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Petoskey Stone and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Petoskey Stone and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Petoskey Stone is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.