Emerald and Gedrite Physical Properties

Emerald

Gedrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Hard

2.67-2.78

Uneven, ConchoidalWalter Schumann

Imperfect on the [0001]

7.5-8

Be₃Al₂SiO₆

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)

Emerald and Gedrite Chemical Formula

While comparing Emerald 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 Emerald and Gedrite chemical formula.

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Emerald and Gedrite Specific Gravity

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