Caledonite and Chrysocolla Physical Properties

Caledonite

Chrysocolla

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.6-5.762.00-2.45

1 7.18

1.5 Fracture

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

Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

[001] perfect; [100] distinct

none

1.7 Mohs Hardness

2.5-32-4

2 10

1.8 Chemical Composition

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

Cu₂H₂Si₂O₅(OH)₄

Caledonite and Chrysocolla Chemical Formula

While comparing Caledonite and Chrysocolla 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 Chrysocolla 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 Chrysocolla- Cu₂H₂Si₂O₅(OH)₄

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Caledonite and Chrysocolla Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Chrysocolla Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Chrysocolla Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 2.00-2.45 whereas that of Chrysocolla is 2.00-2.45.