Caledonite and Moonstone Physical Properties

Caledonite

Moonstone

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.6-5.762.56-2.60

1 7.18

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Fracture

Uneven

Uneven, ConchoidalWalter Schumann

Cleavage

[001] perfect; [100] distinct

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

Mohs Hardness

2.5-36-6.5

2 10

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Chemical Composition

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

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Caledonite and Moonstone Chemical Formula

While comparing Caledonite and Moonstone 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 Moonstone 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 Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Compare Blue Gemstones

Caledonite Vs Cordierite Iolite

Caledonite Vs Covellite

Caledonite Vs Cyprine of Berzelius

Caledonite and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.