Ajoite and Caledonite Physical Properties

Ajoite

Caledonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.965.6-5.76

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Perfect on {010}

[001] perfect; [100] distinct

1.7 Mohs Hardness

52.5-3

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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

Ajoite and Caledonite Chemical Formula

While comparing Ajoite 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 Ajoite and Caledonite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

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Ajoite and Caledonite Specific Gravity

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