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Apophyllite
Apophyllite

Scheelite
Scheelite



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Apophyllite
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Scheelite

Apophyllite and Scheelite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.30-2.505.9-6.3
1 7.18
👆🏻

Fracture

Uneven
Conchoidal, Uneven

Cleavage

Perfect on (001)
On {101}, distinct; on {112}, interrupted; on {001}, indistinct

Mohs Hardness

4.5-54.5-5
2 10
👆🏻

Chemical Composition

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
CaWO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Apophyllite and Scheelite Chemical Formula

While comparing Apophyllite and Scheelite 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 Apophyllite and Scheelite chemical formula.

  • Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
  • Chemical formula of Scheelite- CaWO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Apophyllite and Scheelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite and Scheelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Scheelite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 5.9-6.3 whereas that of Scheelite is 5.9-6.3.