Microcline and Apatite Physical Properties

Microcline

Apatite

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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

2.55-2.633.16-3.23

1 7.18

1.5 Fracture

Uneven, Uneven, Gems

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

1.6 Cleavage

{001} Perfect, {010} Good

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

6-6.55

2 10

1.8 Chemical Composition

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

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

Microcline and Apatite Chemical Formula

While comparing Microcline and Apatite 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 Microcline and Apatite chemical formula.

Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

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Microcline and Apatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Microcline and Apatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microcline and Apatite Optical Properties during the identification of gemstone. Specific gravity of Microcline is 3.16-3.23 whereas that of Apatite is 3.16-3.23.