Bloodstone and Apatite Physical Properties

Bloodstone

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

2.63-2.653.16-3.23

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Indiscernible

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

SiO₂

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

Bloodstone and Apatite Chemical Formula

While comparing Bloodstone 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 Bloodstone and Apatite chemical formula.

Chemical formula of Bloodstone- SiO₂
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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Bloodstone and Apatite Specific Gravity

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