Edenite and Dallasite Physical Properties

Edenite

Dallasite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.372.58-2.91

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Not Available

1.6 Cleavage

Good on (110)

Not Available

1.7 Mohs Hardness

5-66.5-7

2 10

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

Not Available

Edenite and Dallasite Chemical Formula

While comparing Edenite and Dallasite 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 Dallasite chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2

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Edenite and Dallasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Edenite and Dallasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Dallasite Optical Properties during the identification of gemstone. Specific gravity of Edenite is 2.58-2.91 whereas that of Dallasite is 2.58-2.91.