Cryolite and Gedrite Physical Properties

Cryolite

Gedrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

Soluble

2.97

Uneven

None observed

2.5

Na 3AlF 6Ulrich Henn and Claudio C.

3.15-3.259

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

5.5-6

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Cryolite and Gedrite Chemical Formula

While comparing Cryolite and Gedrite 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 Cryolite and Gedrite chemical formula.

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Cryolite and Gedrite Specific Gravity

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