Diaspore and Edenite Physical Properties

Diaspore

Edenite

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1 Physical Properties

1.1 Tenacity

Very brittle

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.403.05-3.37

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

{010} perfect, {110} distinct, {100} in traces

Good on (110)

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

NaCa2Mg5Si7AlO22(OH)2

Diaspore and Edenite Chemical Formula

While comparing Diaspore 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 Diaspore and Edenite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2

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Diaspore and Edenite Specific Gravity

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