Edenite and Hackmanite Physical Properties

Edenite

Hackmanite

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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

3.05-3.37

2.27-2.33

1.5 Fracture

Conchoidal, Brittle, Conchoidal

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Good on (110)

Not Available

1.7 Mohs Hardness

5-6

5.5-6

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Edenite and Hackmanite Chemical Formula

While comparing Edenite and Hackmanite 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 Hackmanite chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Edenite and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Edenite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Edenite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.