Gedrite and Grandidierite Physical Properties

Gedrite

Grandidierite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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)

2.85-3.00

Uneven

Perfect

7.5

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Gedrite and Grandidierite Chemical Formula

While comparing Gedrite and Grandidierite 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 Gedrite and Grandidierite chemical formula.

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Gedrite and Grandidierite Specific Gravity

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