Augelite and Precious Opal Physical Properties

Augelite

Precious Opal

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.70-2.751.98-2.25

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

4.5-55-6.5

2 10

1.8 Chemical Composition

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

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Augelite and Precious Opal Chemical Formula

While comparing Augelite and Precious 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 Precious Opal chemical formula.

Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Compare Colorless Gems

Augelite Vs Blue John

Augelite Vs Black Opal

Augelite Vs Boracite

Augelite and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augelite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augelite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Augelite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.