Gedrite and Cryolite Physical Properties

Gedrite

Cryolite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

3.15-3.2592.97

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.

None observed

Mohs Hardness

5.5-62.5

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)

Na 3AlF 6Ulrich Henn and Claudio C.

Gedrite and Cryolite Chemical Formula

While comparing Gedrite and Cryolite 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 Cryolite 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 Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

Compare Brown Gemstones

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Gedrite Vs Manganaxinite

Gedrite Vs Mellite

Gedrite and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 2.97 whereas that of Cryolite is 2.97.