Smoky Quartz and Apatite Physical Properties

Smoky Quartz

Apatite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.653.16-3.23

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

{0110} Indistinct

[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

Smoky Quartz and Apatite Chemical Formula

While comparing Smoky Quartz 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 Smoky Quartz and Apatite chemical formula.

Chemical formula of Smoky Quartz- SiO₂
Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Gems for Sagittarius

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Smoky Quartz Vs Iolite

Smoky Quartz Vs Zircon

Smoky Quartz and Apatite Specific Gravity

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