Whitlockite and Kyanite Physical Properties

Whitlockite

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

3.123.53-3.65

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

Splintery, Brittle, Metallic

1.6 Cleavage

None

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

1.7 Mohs Hardness

Not Available4-7

2 10

1.8 Chemical Composition

Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)

Not Available

Whitlockite and Kyanite Chemical Formula

While comparing Whitlockite 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 Whitlockite and Kyanite chemical formula.

Chemical formula of Whitlockite- Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)

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Whitlockite and Kyanite Specific Gravity

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