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Jacobsite
Jacobsite

Jade
Jade



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Jacobsite
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Jade

Jacobsite and Jade Physical Properties

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Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

4.76-5.032.90-3.38
1 7.18
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Fracture

Conchoidal
Splintery

Cleavage

None
1 or 2,2 prismatic.

Mohs Hardness

5.5-6.56-7
2 10
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Chemical Composition

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6

Jacobsite and Jade Chemical Formula

While comparing Jacobsite and Jade 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 Jade chemical formula.

  • Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6

Jacobsite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Jade Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 2.90-3.38 whereas that of Jade is 2.90-3.38.