Gedrite and Edenite Physical Properties

Gedrite

Edenite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.15-3.2593.05-3.37

1 7.18

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Fracture

Conchoidal

Cleavage

Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

Good on (110)

Mohs Hardness

5.5-65-6

2 10

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Chemical Composition

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

NaCa2Mg5Si7AlO22(OH)2

Gedrite and Edenite Chemical Formula

While comparing Gedrite 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 Gedrite and Edenite chemical formula.

Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2

Compare Brown Gemstones

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Gedrite and Edenite Specific Gravity

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