Amethyst and Papagoite Physical Properties

Amethyst

Papagoite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble in common solvents

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.653.25

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

Brittle, Metallic

1.6 Cleavage

Indiscernible

Imperfect in one direction

1.7 Mohs Hardness

75-5.5

2 10

1.8 Chemical Composition

SiO₂

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Amethyst and Papagoite Chemical Formula

While comparing Amethyst and Papagoite 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 Amethyst and Papagoite chemical formula.

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

Compare Semi Precious Gemstones

Amethyst Vs Moonstone

Amethyst Vs Jade

Amethyst Vs Jasper

Amethyst and Papagoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 3.25 whereas that of Papagoite is 3.25.