Omphacite and Watermelon Tourmaline Physical Properties

Omphacite

Watermelon 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

3.16-3.432.90-3.40

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)

1.6 Cleavage

{110} Good, {110} Good

Not Available

1.7 Mohs Hardness

5-67-7.5

2 10

1.8 Chemical Composition

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

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.

Omphacite and Watermelon Tourmaline Chemical Formula

While comparing Omphacite 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 Omphacite and Watermelon Tourmaline chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Watermelon Tourmaline- 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.

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Omphacite and Watermelon Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Watermelon Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 2.90-3.40 whereas that of Watermelon Tourmaline is 2.90-3.40.