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Galena
Galena

Emerald
Emerald



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Galena
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Emerald

Galena and Emerald Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Hard
1.4 Specific Gravity
6.232.67-2.78
Amber
1 7.18
1.5 Fracture
Subconchoidal, Brittle, Metallic
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Cubic perfect on [001], parting on [111]
Imperfect on the [0001]
1.7 Mohs Hardness
2.5-2.757.5-8
Amber
2 10
1.8 Chemical Composition
PbS
Be3Al2SiO6

Galena and Emerald Chemical Formula

While comparing Galena and Emerald 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 Galena and Emerald chemical formula.

  • Chemical formula of Galena- PbS
  • Chemical formula of Emerald- Be3Al2SiO6

Galena and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Galena and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Emerald Optical Properties during the identification of gemstone. Specific gravity of Galena is 2.67-2.78 whereas that of Emerald is 2.67-2.78.