Emerald and Marialite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Hard
Not Available
Specific Gravity
2.67-2.78
2.50
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Imperfect on the [0001]
Distinct on {100} and {110}
Mohs Hardness
7.5-8
5.5-6
Chemical Composition
Be3Al2SiO6
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Emerald and Marialite Chemical Formula
While comparing Emerald and Marialite 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 Marialite chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Emerald and Marialite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Marialite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.50 whereas that of Marialite is 2.50.
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