Piemontite and Edenite Physical Properties

Piemontite

Edenite

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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

Not Available3.05-3.37

1 7.18

1.5 Fracture

Uneven, Splintery

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

[001] good, [100] distinct

Good on (110)

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

Not Available

NaCa2Mg5Si7AlO22(OH)2

Piemontite and Edenite Chemical Formula

While comparing Piemontite 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 Piemontite and Edenite chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2

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Piemontite and Edenite Specific Gravity

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