Amethyst and Chromite Physical Properties

Amethyst

Chromite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

insoluble in common solvents

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.654.5-4.8

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Indiscernible

None, parting may develop along {111}

1.7 Mohs Hardness

75.5

2 10

1.8 Chemical Composition

SiO₂

Fe++Cr2O4

Amethyst and Chromite Chemical Formula

While comparing Amethyst and Chromite 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 Chromite chemical formula.

Chemical formula of Amethyst- SiO₂
Chemical formula of Chromite- Fe++Cr2O4

Compare Semi Precious Gemstones

Amethyst Vs Jasper

Amethyst Vs Jade

Amethyst Vs Moonstone

Amethyst and Chromite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Chromite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Chromite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 4.5-4.8 whereas that of Chromite is 4.5-4.8.