Edenite and Mottramite Physical Properties

Edenite

Mottramite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.375.9

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Sub-Conchoidal, Brittle, Metallic

1.6 Cleavage

Good on (110)

None observed

1.7 Mohs Hardness

5-63

2 10

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

Not Available

Edenite and Mottramite Chemical Formula

While comparing Edenite and Mottramite 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 Mottramite chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2

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Edenite and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Edenite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Edenite is 5.9 whereas that of Mottramite is 5.9.