Beryllonite and Gedrite Physical Properties

Beryllonite

Gedrite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.79-2.873.15-3.259

1 7.18

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Fracture

Conchoidal

Cleavage

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces

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

Mohs Hardness

5.5-65.5-6

2 10

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Chemical Composition

NaBePO 4Michael 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)

Beryllonite and Gedrite Chemical Formula

While comparing Beryllonite 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 Beryllonite and Gedrite chemical formula.

Chemical formula of Beryllonite- NaBePO 4Michael 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)

Compare Colorless Gems

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Beryllonite and Gedrite Specific Gravity

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