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Jacobsite
Jacobsite

Emerald
Emerald



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Jacobsite
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Emerald

Jacobsite and Emerald Physical Properties

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Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
Hard

Specific Gravity

4.76-5.032.67-2.78
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, ConchoidalWalter Schumann

Cleavage

None
Imperfect on the [0001]

Mohs Hardness

5.5-6.57.5-8
2 10
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Chemical Composition

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Be3Al2SiO6

Jacobsite and Emerald Chemical Formula

While comparing Jacobsite 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 Jacobsite and Emerald chemical formula.

  • Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Emerald- Be3Al2SiO6

Jacobsite and Emerald Specific Gravity

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