Gedrite and Willemite Physical Properties

Gedrite

Willemite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.15-3.2593.89-4.18

1 7.18

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Fracture

Conchoidal, Uneven

Cleavage

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

{0001}, {11 2 0} imperfect

Mohs Hardness

5.5-65.5

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)

Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Gedrite and Willemite Chemical Formula

While comparing Gedrite and Willemite 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 Willemite 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 Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

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Gedrite and Willemite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Willemite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 3.89-4.18 whereas that of Willemite is 3.89-4.18.