Norbergite and Verdite Physical Properties

Norbergite

Verdite

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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

3.1772.80-3.0

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Not Available

1.6 Cleavage

{???} Distinct

{110} Good

1.7 Mohs Hardness

6-6.53

2 10

1.8 Chemical Composition

Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

NaFeS2•2(H2O)

Norbergite and Verdite Chemical Formula

While comparing Norbergite and Verdite 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 Norbergite and Verdite chemical formula.

Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Verdite- NaFeS2•2(H2O)

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Norbergite and Verdite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Norbergite and Verdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Norbergite and Verdite Optical Properties during the identification of gemstone. Specific gravity of Norbergite is 2.80-3.0 whereas that of Verdite is 2.80-3.0.