Benitoite and Gedrite Physical Properties

Benitoite

Gedrite

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Physical Properties

Tenacity

Solubility

Insoluble: HCl

Durability

Specific Gravity

3.61-3.683.15-3.259

1 7.18

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Fracture

Conchoidal

Cleavage

[10 1 1] poor

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

Mohs Hardness

6-6.55.5-6

2 10

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Chemical Composition

BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Benitoite and Gedrite Chemical Formula

While comparing Benitoite 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 Benitoite and Gedrite chemical formula.

Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Benitoite and Gedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Benitoite and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Benitoite and Gedrite Optical Properties during the identification of gemstone. Specific gravity of Benitoite is 3.15-3.259 whereas that of Gedrite is 3.15-3.259.