Zincite and Gedrite Physical Properties

Zincite

Gedrite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.50-5.903.15-3.259

1 7.18

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Fracture

Conchoidal

Cleavage

On {10 1 0}, perfect; parting on {000 1 }

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

Mohs Hardness

45.5-6

2 10

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Chemical Composition

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Zincite and Gedrite Chemical Formula

While comparing Zincite 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 Zincite and Gedrite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
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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Zincite and Gedrite Specific Gravity

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