Pietersite and Gedrite Physical Properties

Pietersite

Gedrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

-9999

None

H2O+Fe2+,H3O2+Fe3+Si4O12

3.15-3.259

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

5.5-6

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

Pietersite and Gedrite Chemical Formula

While comparing Pietersite 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 Pietersite and Gedrite chemical formula.

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Pietersite and Gedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pietersite and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pietersite Vs Gedrite during the identification of gemstone. Specific gravity of Pietersite is whereas that of Gedrite is .