Mottramite and Edenite Physical Properties

Mottramite

Edenite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.93.05-3.37

1 7.18

1.5 Fracture

Sub-Conchoidal, Brittle, Metallic

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

None observed

Good on (110)

1.7 Mohs Hardness

35-6

2 10

1.8 Chemical Composition

Not Available

NaCa2Mg5Si7AlO22(OH)2

Mottramite and Edenite Chemical Formula

While comparing Mottramite and Edenite 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 Mottramite and Edenite chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2

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Mottramite and Edenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and Edenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and Edenite Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 3.05-3.37 whereas that of Edenite is 3.05-3.37.