Rhodolite and Apatite Physical Properties

Rhodolite

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

3.843.16-3.23

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

none, may show indistinct parting

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

7-7.55

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

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

Rhodolite and Apatite Chemical Formula

While comparing Rhodolite 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 Rhodolite and Apatite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
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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Rhodolite and Apatite Specific Gravity

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