Iddingsite and Caledonite Physical Properties

Iddingsite

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

2.5-2.85.6-5.76

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{???} Perfect

[001] perfect; [100] distinct

1.7 Mohs Hardness

32.5-3

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

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

Iddingsite and Caledonite Chemical Formula

While comparing Iddingsite 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 Iddingsite and Caledonite chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Compare Brown Gemstones

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Iddingsite and Caledonite Specific Gravity

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