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Emerald
Emerald

Goethite
Goethite



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Emerald
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Goethite

Emerald and Goethite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
HCl soluble
1.3 Durability
Hard
Not Available
1.4 Specific Gravity
2.67-2.784.27-4.29
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
1.6 Cleavage
Imperfect on the [0001]
Perfect {010}
1.7 Mohs Hardness
7.5-85-5.5
Amber
2 10
1.8 Chemical Composition
Be3Al2SiO6
FeO(OH)Arthur Thomas , Gemstones (2009)

Emerald and Goethite Chemical Formula

While comparing Emerald and Goethite 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 Goethite chemical formula.

  • Chemical formula of Emerald- Be3Al2SiO6
  • Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)

Emerald and Goethite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Goethite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Goethite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 4.27-4.29 whereas that of Goethite is 4.27-4.29.