Fire Opal and Watermelon Tourmaline Physical Properties

Fire Opal

Watermelon Tourmaline

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

1.97-2.22

Conchoidal

None

6-6.5

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

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.

Fire Opal and Watermelon Tourmaline Chemical Formula

While comparing Fire 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 Fire Opal and Watermelon Tourmaline chemical formula.

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Fire Opal and Watermelon Tourmaline Specific Gravity

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