Gedrite and Taaffeite Physical Properties

Gedrite

Taaffeite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.15-3.2593.60-3.61

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.

Imperfect/fair/absent

Mohs Hardness

5.5-68-8.5

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)

Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Gedrite and Taaffeite Chemical Formula

While comparing Gedrite and Taaffeite 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 Taaffeite 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 Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Compare Brown Gemstones

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Gedrite Vs Manganaxinite

Gedrite Vs Mellite

Gedrite and Taaffeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Taaffeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Taaffeite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 3.60-3.61 whereas that of Taaffeite is 3.60-3.61.