Whitlockite and Hibonite Physical Properties

Whitlockite

Hibonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.123.84

1 7.18

1.5 Fracture

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

Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

None

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

Not Available7.5-8

2 10

1.8 Chemical Composition

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

(Ca,Ce)(Al,Ti,Mg)12O19

Whitlockite and Hibonite Chemical Formula

While comparing Whitlockite and Hibonite 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 Hibonite chemical formula.

Chemical formula of Whitlockite- Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

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Whitlockite and Hibonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Whitlockite and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Whitlockite and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Whitlockite is 3.84 whereas that of Hibonite is 3.84.