Chlorapatite and Andalusite Physical Properties

Chlorapatite

Andalusite

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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

3.17-3.183.05-3.21

1 7.18

1.5 Fracture

Not Available

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Good on {110}, poor on {100}

1.7 Mohs Hardness

Not Available7.5

2 10

1.8 Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Chlorapatite and Andalusite Chemical Formula

While comparing Chlorapatite and Andalusite 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 Andalusite chemical formula.

Chemical formula of Chlorapatite- Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Chlorapatite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chlorapatite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorapatite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Chlorapatite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.