Arfvedsonite and Gedrite Physical Properties

Arfvedsonite

Gedrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

3.3-3.5

Uneven

Perfect on [110]

5-6

NaNa2(Fe++4Fe+++)Si8O22(OH)2

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)

Arfvedsonite and Gedrite Chemical Formula

While comparing Arfvedsonite 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 Arfvedsonite and Gedrite chemical formula.

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Arfvedsonite and Gedrite Specific Gravity

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