Apatite and Fire Agate Physical Properties

Apatite

Fire Agate

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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

3.16-3.23

2.60-2.64

1.5 Fracture

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

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

[0001] indistinct, [1010] indistinct

Absent

1.7 Mohs Hardness

6.5-7

1.8 Chemical Composition

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

SiO 2Arthur Thomas , Gemstones (2009)

Apatite and Fire Agate Chemical Formula

While comparing Apatite and Fire Agate 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 Fire Agate 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 Fire Agate- SiO 2Arthur Thomas , Gemstones (2009)

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Apatite and Fire Agate Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Fire Agate Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Fire Agate Optical Properties during the identification of gemstone. Specific gravity of Apatite is 2.60-2.64 whereas that of Fire Agate is 2.60-2.64.