Gedrite and Friedelite Physical Properties

Gedrite

Friedelite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.15-3.2593.06-3.19

1 7.18

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Fracture

Uneven

Cleavage

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

{010} Perfect

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)

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Gedrite and Friedelite Chemical Formula

While comparing Gedrite and Friedelite 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 Friedelite 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 Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Compare Brown Gemstones

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Gedrite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.