Norbergite and Peridot Physical Properties

Norbergite

Peridot

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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

3.1771.54-1.55

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

{???} Distinct

Poor

1.7 Mohs Hardness

6-6.56.5-7

2 10

1.8 Chemical Composition

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

(Mg,Fe)₂SiO₄

Norbergite and Peridot Chemical Formula

While comparing Norbergite and Peridot 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 Peridot chemical formula.

Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Peridot- (Mg,Fe)₂SiO₄

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Norbergite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Norbergite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Norbergite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Norbergite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.