Gedrite and Augelite Physical Properties

Gedrite

Augelite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.15-3.2592.70-2.75

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.

From the Greek for luster, for its pearly luster on the cleavage.

Mohs Hardness

5.5-64.5-5

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)

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Gedrite and Augelite Chemical Formula

While comparing Gedrite and Augelite 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 Augelite 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 Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Brown Gemstones

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Gedrite Vs Manganaxinite

Gedrite Vs Mellite

Gedrite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.