Herderite and Watermelon Tourmaline Physical Properties

Herderite

Watermelon Tourmaline

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.90-3.02

Subconchoidal, Conchoidal

Indistinct on {110}

5-5.5

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

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.

Herderite and Watermelon Tourmaline Chemical Formula

While comparing Herderite 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 Herderite and Watermelon Tourmaline chemical formula.

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Herderite and Watermelon Tourmaline Specific Gravity

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