Wernerite and Gedrite Physical Properties

Wernerite

Gedrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.50-2.803.15-3.259

1 7.18

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Fracture

Cleavage

Perfect

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

Mohs Hardness

5-6.55.5-6

2 10

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Chemical Composition

Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

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

Wernerite and Gedrite Chemical Formula

While comparing Wernerite 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 Wernerite and Gedrite chemical formula.

Chemical formula of Wernerite- Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
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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Wernerite and Gedrite Specific Gravity

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