Herderite and Verdelite Physical Properties

Herderite

Verdelite

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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

Conchoidal

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 Verdelite Chemical Formula

While comparing Herderite and Verdelite 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 Verdelite chemical formula.

Compare Colorless Gems

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Herderite Vs Phenakite

Herderite and Verdelite Specific Gravity

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