Verdite and Poldervaartite Physical Properties

Verdite

Poldervaartite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-3.02.91

1 7.18

1.5 Fracture

Not Available

Handbook of mineralogy (2001)

1.6 Cleavage

{110} Good

None

1.7 Mohs Hardness

3Not Available

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Verdite and Poldervaartite Chemical Formula

While comparing Verdite and Poldervaartite 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 Poldervaartite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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Verdite and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdite and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Verdite is 2.91 whereas that of Poldervaartite is 2.91.