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Hydrogrossular and Corundum Physical Properties


Corundum and Hydrogrossular Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.25-3.40   
3.90-4.05   

Fracture
Not Available   
Uneven, Uneven, Gems, Difficult, Fibrous   

Cleavage
Not Available   
None – parting in 3 directions   

Mohs Hardness
7.5-8   
9   

Chemical Composition
hydrogrossular Massive vein s of opaque Grossular Garnet that resembles Jade . It is white to light green in color, and may be colored in a white, green, and pink combination. Hydrogrossular is often regarded as a variety of Grossular, but it is scientifi   
Al 2O 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Hydrogrossular and Corundum Chemical Formula

While comparing Hydrogrossular and Corundum 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 Hydrogrossular and Corundum chemical formula.

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Hydrogrossular and Corundum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hydrogrossular and Corundum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hydrogrossular and Corundum Optical Properties during the identification of gemstone. Specific gravity of Hydrogrossular is 3.90-4.05 whereas that of Corundum is 3.90-4.05.

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