Apatite and Anglesite Physical Properties

Apatite

Anglesite

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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

3.16-3.236.30-6.39

1 7.18

1.5 Fracture

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

[0001] indistinct, [1010] indistinct

[001] good, [210] distinct

1.7 Mohs Hardness

53-3.5

2 10

1.8 Chemical Composition

Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Apatite and Anglesite Chemical Formula

While comparing Apatite and Anglesite 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 Apatite and Anglesite chemical formula.

Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Apatite and Anglesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Anglesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Anglesite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 6.30-6.39 whereas that of Anglesite is 6.30-6.39.