Gedrite and Faustite Physical Properties

Gedrite

Faustite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.15-3.2592.9

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.

{???} Indistinct

Mohs Hardness

5.5-64.5

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)

(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Gedrite and Faustite Chemical Formula

While comparing Gedrite and Faustite 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 Faustite 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 Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Brown Gemstones

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Gedrite and Faustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Faustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Faustite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 2.9 whereas that of Faustite is 2.9.