Jadeite and Gedrite Physical Properties

Jadeite

Gedrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.28-3.383.15-3.259

1 7.18

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Fracture

Splintery, Fibrous

Cleavage

Good on [110]

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

Mohs Hardness

6.5-75.5-6

2 10

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Chemical Composition

NaAlSi 2O 6Ulrich Henn and Claudio C.

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

Jadeite and Gedrite Chemical Formula

While comparing Jadeite and Gedrite 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 Jadeite and Gedrite chemical formula.

Chemical formula of Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.
Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Jadeite and Gedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jadeite and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jadeite and Gedrite Optical Properties during the identification of gemstone. Specific gravity of Jadeite is 3.15-3.259 whereas that of Gedrite is 3.15-3.259.