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Smithsonite
Smithsonite

Apophyllite KF
Apophyllite KF



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Smithsonite
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Apophyllite KF

Smithsonite and Apophyllite KF Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

4.00-4.652.33-2.37
1 7.18
👆🏻

Fracture

Uneven, Sub-Conchoidal
Uneven

Cleavage

Perfect on [1011]
Perfect on {001}, imperfect on {110}

Mohs Hardness

5-5.54.5-5
2 10
👆🏻

Chemical Composition

ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Smithsonite and Apophyllite KF Chemical Formula

While comparing Smithsonite and Apophyllite KF 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 Apophyllite KF chemical formula.

  • Chemical formula of Smithsonite- ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

Smithsonite and Apophyllite KF Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smithsonite and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.