Whitlockite and Sylvite Physical Properties

Whitlockite

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.121.993

1 7.18

1.5 Fracture

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

Uneven, Brittle

1.6 Cleavage

None

Perfect on [100], [010], [001]

1.7 Mohs Hardness

Not Available2.5

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 Sylvite Chemical Formula

While comparing Whitlockite and Sylvite 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 Sylvite 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 Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Whitlockite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Whitlockite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Whitlockite is 1.993 whereas that of Sylvite is 1.993.