Nephrite and Caledonite Physical Properties

Nephrite

Caledonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.105.6-5.76

1 7.18

1.5 Fracture

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

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

Not Available

[001] perfect; [100] distinct

1.7 Mohs Hardness

6-6.52.5-3

2 10

1.8 Chemical Composition

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

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Nephrite and Caledonite Chemical Formula

While comparing Nephrite and Caledonite 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 Nephrite and Caledonite chemical formula.

Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

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Nephrite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.