Uvite and Kyanite Physical Properties

Uvite

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

2.97-3.143.53-3.65

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Splintery, Brittle, Metallic

1.6 Cleavage

{1011} Indistinct

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

1.7 Mohs Hardness

Not Available4-7

2 10

1.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Not Available

Uvite and Kyanite Chemical Formula

While comparing Uvite 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 Uvite and Kyanite chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Uvite and Kyanite Specific Gravity

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