Whitlockite and Hackmanite Physical Properties

Whitlockite

Hackmanite

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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

3.122.27-2.33

1 7.18

1.5 Fracture

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

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

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

Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Whitlockite and Hackmanite Chemical Formula

While comparing Whitlockite and Hackmanite 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 Hackmanite 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 Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare White Gemstones

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Whitlockite Vs Hawks Eye

Whitlockite Vs Intermediate Gold Nuggets

Whitlockite and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Whitlockite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Whitlockite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Whitlockite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.