Chondrodite and Common Opal Physical Properties

Chondrodite

Common Opal

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.10-3.20

1.98-2.50

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

Poor to good on (001)

Not Available

1.7 Mohs Hardness

6-6.5

5.5-6.5

1.8 Chemical Composition

(Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.

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

Chondrodite and Common Opal Chemical Formula

While comparing Chondrodite 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 Chondrodite and Common Opal chemical formula.

Chemical formula of Chondrodite- (Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.
Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Compare Red Gemstones

Chondrodite Vs Crocoite

Chondrodite Vs Cryolite

Chondrodite Vs Common Opal

Chondrodite and Common Opal Specific Gravity

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