Caledonite and Hematite Physical Properties

Caledonite

Hematite

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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

5.6-5.765.00-5.30

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

[001] perfect; [100] distinct

None, may show partings on {0001} and {10 1 1}

1.7 Mohs Hardness

2.5-36

2 10

1.8 Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

Caledonite and Hematite Chemical Formula

While comparing Caledonite and Hematite 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 Hematite 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 Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Caledonite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.