Glaucophane and Gedrite Physical Properties

Glaucophane

Gedrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3-3.153.15-3.259

1 7.18

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Fracture

Conchoidal

Cleavage

Good on [110] and on [001]

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

Mohs Hardness

6.0-6.55.5-6

2 10

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Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

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

Glaucophane and Gedrite Chemical Formula

While comparing Glaucophane 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 Glaucophane and Gedrite chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
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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Glaucophane and Gedrite Specific Gravity

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