Whitlockite and Peridot Physical Properties

Whitlockite

Peridot

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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

3.121.54-1.55

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

None

Poor

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

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

(Mg,Fe)₂SiO₄

Whitlockite and Peridot Chemical Formula

While comparing Whitlockite and Peridot 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 Peridot 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 Peridot- (Mg,Fe)₂SiO₄

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Whitlockite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Whitlockite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Whitlockite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Whitlockite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.