Agate and Caledonite Physical Properties

Agate

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

2.60-2.64

5.6-5.76

1.5 Fracture

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Indiscernible

[001] perfect; [100] distinct

1.7 Mohs Hardness

6.5-7

2.5-3

1.8 Chemical Composition

SiO₂

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

Agate and Caledonite Chemical Formula

While comparing Agate 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 Agate and Caledonite chemical formula.

Chemical formula of Agate- SiO₂
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

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Agate and Caledonite Specific Gravity

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