Stolzite and Kyanite Physical Properties

Stolzite

Kyanite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

23.53-3.65

1 7.18

1.5 Fracture

Conchoidal, Uneven, Brittle

Splintery, Brittle, Metallic

1.6 Cleavage

Imperfect on {001}, indistinct on {011}

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

1.7 Mohs Hardness

2.5-34-7

2 10

1.8 Chemical Composition

Not Available

Stolzite and Kyanite Chemical Formula

While comparing Stolzite 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 Stolzite and Kyanite chemical formula.

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Stolzite and Kyanite Specific Gravity

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