Gedrite and Beryllonite Physical Properties

Gedrite

Beryllonite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.15-3.2592.79-2.87

1 7.18

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Fracture

Conchoidal

Cleavage

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

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

Mohs Hardness

5.5-65.5-6

2 10

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Chemical Composition

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

NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Gedrite and Beryllonite Chemical Formula

While comparing Gedrite and Beryllonite 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 Beryllonite chemical formula.

Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

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Gedrite and Beryllonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Beryllonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Beryllonite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 2.79-2.87 whereas that of Beryllonite is 2.79-2.87.