Norbergite and Selenite Physical Properties

Norbergite

Selenite

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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

3.177Not Available

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{???} Distinct

Not Available

1.7 Mohs Hardness

6-6.52

2 10

1.8 Chemical Composition

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

Not Available

Norbergite and Selenite Chemical Formula

While comparing Norbergite and Selenite 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 Selenite chemical formula.

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

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Norbergite and Selenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Norbergite and Selenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Norbergite and Selenite Optical Properties during the identification of gemstone. Specific gravity of Norbergite is Not Available whereas that of Selenite is Not Available.