Fuchsite and Apatite Physical Properties

Fuchsite

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

2.77-2.88

3.16-3.23

1.5 Fracture

Uneven

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

1.6 Cleavage

Perfect basal

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

2.5

1.8 Chemical Composition

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

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

Fuchsite and Apatite Chemical Formula

While comparing Fuchsite 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 Fuchsite and Apatite chemical formula.

Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
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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Fuchsite and Apatite Specific Gravity

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