Edenite and Caledonite Physical Properties

Edenite

Caledonite

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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

3.05-3.375.6-5.76

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

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

1.6 Cleavage

Good on (110)

[001] perfect; [100] distinct

1.7 Mohs Hardness

5-62.5-3

2 10

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

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

Edenite and Caledonite Chemical Formula

While comparing Edenite 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 Edenite and Caledonite chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Compare Gems Found In Africa

Edenite Vs Agate Opal

Edenite Vs Aegirine

Edenite Vs Alexandrite

Edenite and Caledonite Specific Gravity

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