Caledonite and Jade Physical Properties

Caledonite

Jade

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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

5.6-5.762.90-3.38

1 7.18

1.5 Fracture

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

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

[001] perfect; [100] distinct

1 or 2,2 prismatic.

1.7 Mohs Hardness

2.5-36-7

2 10

1.8 Chemical Composition

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

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Caledonite and Jade Chemical Formula

While comparing Caledonite and Jade 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 Caledonite and Jade chemical formula.

Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Caledonite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Jade Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 2.90-3.38 whereas that of Jade is 2.90-3.38.