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Sunstone
Sunstone

Piemontite
Piemontite



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Sunstone
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Piemontite

Sunstone and Piemontite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.62-2.65-9999
1 7.18
👆🏻

Fracture

-
Uneven, Splintery

Cleavage

001
[001] good, [100] distinct

Mohs Hardness

66-6.5
2 10
👆🏻

Chemical Composition

Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
Ca2Al3(SiO4)(Si2O7)O(OH)

Sunstone and Piemontite Chemical Formula

While comparing Sunstone and Piemontite 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 Sunstone and Piemontite chemical formula.

  • Chemical formula of Sunstone- Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
  • Chemical formula of Piemontite- Ca2Al3(SiO4)(Si2O7)O(OH)

Sunstone and Piemontite Specific Gravity

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