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Smithsonite
Smithsonite

Agrellite
Agrellite



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Smithsonite
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Agrellite

Smithsonite and Agrellite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

4.00-4.652.88
1 7.18
👆🏻

Fracture

Uneven, Sub-Conchoidal
-

Cleavage

Perfect on [1011]
perfect [110]

Mohs Hardness

5-5.55.5
2 10
👆🏻

Chemical Composition

ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
NaCa2Si4O10F

Smithsonite and Agrellite Chemical Formula

While comparing Smithsonite and Agrellite 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 Smithsonite and Agrellite chemical formula.

  • Chemical formula of Smithsonite- ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Agrellite- NaCa2Si4O10F

Smithsonite and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smithsonite and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 2.88 whereas that of Agrellite is 2.88.