Prasiolite and Norbergite Physical Properties

Prasiolite

Norbergite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.653.177

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

3,1

{???} Distinct

1.7 Mohs Hardness

76-6.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Prasiolite and Norbergite Chemical Formula

While comparing Prasiolite and Norbergite 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 Prasiolite and Norbergite chemical formula.

Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

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Prasiolite and Norbergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prasiolite and Norbergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prasiolite and Norbergite Optical Properties during the identification of gemstone. Specific gravity of Prasiolite is 3.177 whereas that of Norbergite is 3.177.