Axinite and Common Opal Physical Properties

Axinite

Common 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

3.26-3.361.98-2.50

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

Good on {100}

Not Available

1.7 Mohs Hardness

6.5-75.5-6.5

2 10

1.8 Chemical Composition

(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Axinite and Common Opal Chemical Formula

While comparing Axinite and Common 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 Axinite and Common Opal chemical formula.

Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Axinite and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Axinite and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Axinite and Common Opal Optical Properties during the identification of gemstone. Specific gravity of Axinite is 1.98-2.50 whereas that of Common Opal is 1.98-2.50.