Norbergite and Friedelite Physical Properties

Norbergite

Friedelite

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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

3.1773.06-3.19

1 7.18

1.5 Fracture

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

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

1.6 Cleavage

{???} Distinct

{010} Perfect

1.7 Mohs Hardness

6-6.54-5

2 10

1.8 Chemical Composition

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

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Norbergite and Friedelite Chemical Formula

While comparing Norbergite and Friedelite 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 Friedelite chemical formula.

Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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Norbergite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Norbergite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Norbergite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Norbergite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.