Augelite and Fire Opal Physical Properties

Augelite

Fire Opal

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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

2.70-2.751.97-2.22

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

From the Greek for luster, for its pearly luster on the cleavage.

Not Available

1.7 Mohs Hardness

4.5-56-6.5

2 10

1.8 Chemical Composition

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

Augelite and Fire Opal Chemical Formula

While comparing Augelite and Fire Opal 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 Augelite and Fire Opal chemical formula.

Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

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Augelite and Fire Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augelite and Fire Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augelite and Fire Opal Optical Properties during the identification of gemstone. Specific gravity of Augelite is 1.97-2.22 whereas that of Fire Opal is 1.97-2.22.