Chlorapatite and Petalite Physical Properties

Chlorapatite

Petalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.17-3.182.40

1 7.18

1.5 Fracture

Not Available

Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

1.6 Cleavage

Not Available

Perfect on {001}, poor on {201} with 38.5° angle between the two

1.7 Mohs Hardness

Not Available6-6.5

2 10

1.8 Chemical Composition

Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Chlorapatite and Petalite Chemical Formula

While comparing Chlorapatite and Petalite 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 Chlorapatite and Petalite chemical formula.

Chemical formula of Chlorapatite- Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Petalite- LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Chlorapatite Vs Chrysoprase

Chlorapatite Vs Chrysotile

Chlorapatite Vs Chrysoberyl

Chlorapatite and Petalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chlorapatite and Petalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorapatite and Petalite Optical Properties during the identification of gemstone. Specific gravity of Chlorapatite is 2.40 whereas that of Petalite is 2.40.