Verdite and Charlesite Physical Properties

Verdite

Charlesite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-3.01.79

1 7.18

1.5 Fracture

Not Available

Irregular/uneven, Brittle, Metallic

1.6 Cleavage

{110} Good

Perfect on {10bar10}

1.7 Mohs Hardness

32.5

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Verdite and Charlesite Chemical Formula

While comparing Verdite and Charlesite 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 Verdite and Charlesite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

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Verdite and Charlesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdite and Charlesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Charlesite Optical Properties during the identification of gemstone. Specific gravity of Verdite is 1.79 whereas that of Charlesite is 1.79.