Caledonite and Chrysoprase Physical Properties

Caledonite

Chrysoprase

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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

5.6-5.762.58-2.64

1 7.18

1.5 Fracture

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

Gems, Sixth Edition (2006)

1.6 Cleavage

[001] perfect; [100] distinct

None

1.7 Mohs Hardness

2.5-36.5-7

2 10

1.8 Chemical Composition

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

SiO₂ (with a high level of nickel impurities )

Caledonite and Chrysoprase Chemical Formula

While comparing Caledonite and Chrysoprase 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 Chrysoprase 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 Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Caledonite and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.