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White Opal
White Opal

Tourmaline
Tourmaline



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White Opal
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Tourmaline

White Opal and Tourmaline Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
 
-
-
-
2.85-3.35
Uneven, Conchoidal
Indistinct
7-7.5
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

White Opal and Tourmaline Chemical Formula

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

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White Opal and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is White Opal and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use White Opal Vs Tourmaline during the identification of gemstone. Specific gravity of White Opal is whereas that of Tourmaline is .