Gedrite and Phenakite Physical Properties

Gedrite

Phenakite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.15-3.2592.90-2.98

1 7.18

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Fracture

Conchoidal, ConchoidalWalter Schumann

Cleavage

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

Distinct on {11 2 0}, imperfect on {10 1 1}

Mohs Hardness

5.5-67.5-8

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)

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Gedrite and Phenakite Chemical Formula

While comparing Gedrite and Phenakite 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 Phenakite 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 Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

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Gedrite Vs Manganaxinite

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Gedrite and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.