×

Amethyst
Amethyst

Grandidierite
Grandidierite



ADD
Compare
X
Amethyst
X
Grandidierite

Amethyst and Grandidierite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble in common solvents
-
2.65
Conchoidal, ConchoidalWalter Schumann
Indiscernible
7
SiO2
 
-
-
-
2.85-3.00
Uneven
Perfect
7.5
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Amethyst and Grandidierite Chemical Formula

While comparing Amethyst and Grandidierite 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 Grandidierite chemical formula.

    >>

Amethyst and Grandidierite Specific Gravity

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