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Papagoite
Papagoite

Amethyst
Amethyst



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Papagoite
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Amethyst

Papagoite and Amethyst Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
insoluble in common solvents

Durability

-
-

Specific Gravity

3.252.65
1 7.18
👆🏻

Fracture

-
Conchoidal, ConchoidalWalter Schumann

Cleavage

Imperfect in one direction
Indiscernible

Mohs Hardness

5-5.57
2 10
👆🏻

Chemical Composition

CaCuAlSi 2O 6(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
SiO2

Papagoite and Amethyst Chemical Formula

While comparing Papagoite and Amethyst 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 Papagoite and Amethyst chemical formula.

  • Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Amethyst- SiO2

Papagoite and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Papagoite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Papagoite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Papagoite is 2.65 whereas that of Amethyst is 2.65.