Chlorite group and Gedrite Physical Properties

Chlorite group

Gedrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.6-3.33.15-3.259

1 7.18

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Fracture

Lamellar

Cleavage

Perfect 001

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

Mohs Hardness

2-2.55.5-6

2 10

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Chemical Composition

(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6

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

Chlorite group and Gedrite Chemical Formula

While comparing Chlorite group 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 Chlorite group and Gedrite chemical formula.

Chemical formula of Chlorite group- (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6
Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

Chlorite group Vs Hanksite

Chlorite group Vs Langbeinite

Chlorite group Vs Nepouite

Chlorite group and Gedrite Specific Gravity

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