Gibbsite and Edenite Physical Properties

Gibbsite

Edenite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.353.05-3.37

1 7.18

1.5 Fracture

Fibrous, Difficult, Fibrous

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

{001} Perfect

Good on (110)

1.7 Mohs Hardness

2.5-35-6

2 10

1.8 Chemical Composition

Al(OH)3

NaCa2Mg5Si7AlO22(OH)2

Gibbsite and Edenite Chemical Formula

While comparing Gibbsite 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 Gibbsite and Edenite chemical formula.

Chemical formula of Gibbsite- Al(OH)3
Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2

Compare Grey Gemstones

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Gibbsite Vs Vanadinite

Gibbsite Vs Galena

Gibbsite and Edenite Specific Gravity

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