Wax Opal and Tourmaline Physical Properties

Wax Opal

Tourmaline

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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

1.98-2.502.85-3.35

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Indistinct

1.7 Mohs Hardness

5.5-6.57-7.5

2 10

1.8 Chemical Composition

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

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Wax Opal and Tourmaline Chemical Formula

While comparing Wax 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 Wax Opal and Tourmaline chemical formula.

Chemical formula of Wax Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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Wax Opal and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wax Opal and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wax Opal and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Wax Opal is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.