Dravite and Gedrite Physical Properties

Dravite

Gedrite

Add ⊕

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.03-3.18

Uneven, Irregular, Conchoidal

{???} Indistinct

7-7.5

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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)

Dravite and Gedrite Chemical Formula

While comparing Dravite 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 Dravite and Gedrite chemical formula.

Compare Blue Gemstones

Dravite Vs Gahnite

Dravite Vs Gahnospinel

Dravite Vs Heliodor Golden Beryl

Dravite and Gedrite Specific Gravity

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