Apatite and Strontianite Physical Properties

Apatite

Strontianite

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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

3.16-3.233.63-3.79

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

[0001] indistinct, [1010] indistinct

{110} Good

1.7 Mohs Hardness

53.5

2 10

1.8 Chemical Composition

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

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

Apatite and Strontianite Chemical Formula

While comparing Apatite and Strontianite 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 Apatite and Strontianite chemical formula.

Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Strontianite- SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

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Apatite and Strontianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Strontianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Strontianite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.63-3.79 whereas that of Strontianite is 3.63-3.79.