Edenite and Zinnwaldite Physical Properties

Edenite

Zinnwaldite

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1 Physical Properties

1.1 Tenacity

Brittle

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.372.9-3.1

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven

1.6 Cleavage

Good on (110)

Perfect basal {001}

1.7 Mohs Hardness

5-63.5-4.0

2 10

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

Not Available

Edenite and Zinnwaldite Chemical Formula

While comparing Edenite and Zinnwaldite 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 Zinnwaldite chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2

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Edenite and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Edenite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Edenite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.