Opal and Watermelon Tourmaline Physical Properties

Opal

Watermelon Tourmaline

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

BrittleWalter Schumann

hot salt water

1.98-2.25

Conchoidal

None

5-6.5

SiO₂ · nH₂O

2.90-3.40

Uneven, Conchoidal, Irregular

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Opal and Watermelon Tourmaline Chemical Formula

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

Compare Semi Precious Gemstones

Opal Vs Schorlomite

Opal Vs Simpsonite

Opal Vs Spessartine

Opal and Watermelon Tourmaline Specific Gravity

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