Chrome Tourmaline and Opal Physical Properties

Chrome Tourmaline

Opal

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1 Physical Properties

1.1 Tenacity

Not Available

BrittleWalter Schumann

1.2 Solubility

Not Available

hot salt water

1.3 Durability

Not Available

1.4 Specific Gravity

2.85-3.35

1.98-2.25

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

3,2

None

1.7 Mohs Hardness

7-7.5

5-6.5

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas.

SiO₂ · nH₂O

Chrome Tourmaline and Opal Chemical Formula

While comparing Chrome Tourmaline and 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 Chrome Tourmaline and Opal chemical formula.

Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.
Chemical formula of Opal- SiO₂ · nH₂O

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Chrome Tourmaline and Opal Specific Gravity

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