Verdelite and Chlorite group Physical Properties

Verdelite

Chlorite group

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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.

2.6-3.3

Lamellar

Perfect 001

2-2.5

(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6

Verdelite and Chlorite group Chemical Formula

While comparing Verdelite and Chlorite group 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 Chlorite group chemical formula.

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Verdelite and Chlorite group Specific Gravity

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