Mottramite and Gedrite Physical Properties

Mottramite

Gedrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

Soluble

5.9

Sub-Conchoidal

None observed

PbCu(VO4)(OH)

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)

Mottramite and Gedrite Chemical Formula

While comparing Mottramite 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 Mottramite and Gedrite chemical formula.

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Mottramite and Gedrite Specific Gravity

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