Edenite and Diaspore Physical Properties

Edenite

Diaspore

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1 Physical Properties

1.1 Tenacity

Brittle

Very brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.373.30-3.40

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Good on (110)

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

1.7 Mohs Hardness

5-66.5-7

2 10

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

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

Edenite and Diaspore Chemical Formula

While comparing Edenite and Diaspore 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 Diaspore chemical formula.

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

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Edenite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Edenite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Edenite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.