Caledonite and Dioptase Physical Properties

Caledonite

Dioptase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.6-5.763.25-3.35

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

[001] perfect; [100] distinct

Perfect in three directions

1.7 Mohs Hardness

2.5-35

2 10

1.8 Chemical Composition

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

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Caledonite and Dioptase Chemical Formula

While comparing Caledonite and Dioptase 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 Dioptase 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 Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

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Caledonite Vs Common Opal

Caledonite Vs Chrysocolla

Caledonite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.