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Piemontite
Piemontite

Sylvite
Sylvite



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Piemontite
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Sylvite

Piemontite and Sylvite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

-99991.993
1 7.18
👆🏻

Fracture

Uneven, Splintery
Uneven

Cleavage

[001] good, [100] distinct
Perfect on [100], [010], [001]

Mohs Hardness

6-6.52.5
2 10
👆🏻

Chemical Composition

Ca2Al3(SiO4)(Si2O7)O(OH)
KCl

Piemontite and Sylvite Chemical Formula

While comparing Piemontite and Sylvite 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 Piemontite and Sylvite chemical formula.

  • Chemical formula of Piemontite- Ca2Al3(SiO4)(Si2O7)O(OH)
  • Chemical formula of Sylvite- KCl

Piemontite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Piemontite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Piemontite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Piemontite is 1.993 whereas that of Sylvite is 1.993.