Verdelite and Prehnite Physical Properties

Verdelite

Prehnite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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.

Brittle

2.80-2.95

Uneven

Distinct on [001]

6-6.5

Ca₂Al₂Si₃O₁₂(OH)

Verdelite and Prehnite Chemical Formula

While comparing Verdelite and Prehnite 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 Verdelite and Prehnite chemical formula.

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Verdelite and Prehnite Specific Gravity

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