Friedelite and Nephrite Physical Properties

Friedelite

Nephrite

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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

3.06-3.192.90-3.10

1 7.18

1.5 Fracture

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

Splintery, Granular, Splintery, Granular, Gemstones (2009)

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

4-56-6.5

2 10

1.8 Chemical Composition

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

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Friedelite and Nephrite Chemical Formula

While comparing Friedelite and Nephrite 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 Friedelite and Nephrite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

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Friedelite Vs Hibonite

Friedelite Vs Imperial Topaz

Friedelite and Nephrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Friedelite and Nephrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Friedelite and Nephrite Optical Properties during the identification of gemstone. Specific gravity of Friedelite is 2.90-3.10 whereas that of Nephrite is 2.90-3.10.