Rock Crystal and Gedrite Physical Properties

Rock Crystal

Gedrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.65

ConchoidalWalter Schumann

None

SiO 2Walter Schumann , Gemstones of the world (2001)

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)

Rock Crystal and Gedrite Chemical Formula

While comparing Rock Crystal 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 Rock Crystal and Gedrite chemical formula.

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Rock Crystal Vs Serendibite

Rock Crystal Vs Shattuckite

Rock Crystal and Gedrite Specific Gravity

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