Iddingsite and Kyanite Physical Properties

Iddingsite

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

2.5-2.83.53-3.65

1 7.18

1.5 Fracture

Not Available

Splintery, Brittle, Metallic

1.6 Cleavage

{???} Perfect

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

1.7 Mohs Hardness

34-7

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

Not Available

Iddingsite and Kyanite Chemical Formula

While comparing Iddingsite 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 Iddingsite and Kyanite chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)

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Iddingsite and Kyanite Specific Gravity

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