Emerald and Pollucite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Readily soluble in HF
Durability
Hard
Not Available
Specific Gravity
2.67-2.78
2.86-2.94
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
Imperfect on the [0001]
None observed
Mohs Hardness
7.5-8
6.5-7
Chemical Composition
Be3Al2SiO6
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Emerald and Pollucite Chemical Formula
While comparing Emerald and Pollucite 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 Pollucite chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Emerald and Pollucite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.
|
There are currently no items in this table.
|