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Jacobsite
Jacobsite

Hemimorphite
Hemimorphite



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Jacobsite
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Jacobsite and Hemimorphite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

4.76-5.033.30-3.50
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

None
Perfect on {110}, poor on {101}, {001} rare

Mohs Hardness

5.5-6.55
2 10
👆🏻

Chemical Composition

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Jacobsite and Hemimorphite Chemical Formula

While comparing Jacobsite and Hemimorphite 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 Hemimorphite chemical formula.

  • Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Jacobsite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.