Actinolite and Apatite Physical Properties

Actinolite

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

3.003.16-3.23

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery

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

1.6 Cleavage

perfect along {110}.

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

5-65

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

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

Actinolite and Apatite Chemical Formula

While comparing Actinolite 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 Actinolite and Apatite chemical formula.

Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
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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Actinolite and Apatite Specific Gravity

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