Aquamarine and Apatite Physical Properties

Aquamarine

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

2.66-2.803.16-3.23

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

3,1 basal

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

7.5-85

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

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

Aquamarine and Apatite Chemical Formula

While comparing Aquamarine 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 Aquamarine and Apatite chemical formula.

Chemical formula of Aquamarine- Be₃Al₂SiO₆
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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Aquamarine and Apatite Specific Gravity

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