Jade and Caledonite Physical Properties

Jade

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

2.90-3.385.6-5.76

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

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

1.6 Cleavage

1 or 2,2 prismatic.

[001] perfect; [100] distinct

1.7 Mohs Hardness

6-72.5-3

2 10

1.8 Chemical Composition

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

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

Jade and Caledonite Chemical Formula

While comparing Jade 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 Jade and Caledonite chemical formula.

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

Compare Semi Precious Gemstones

Jade Vs Tourmaline

Jade Vs Turquoise

Jade Vs Peridot

Jade and Caledonite Specific Gravity

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