Amethyst and Axinite Physical Properties

Amethyst

Axinite

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

2.653.26-3.36

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indiscernible

Good on {100}

1.7 Mohs Hardness

76.5-7

2 10

1.8 Chemical Composition

SiO₂

(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Amethyst and Axinite Chemical Formula

While comparing Amethyst and Axinite 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 Axinite chemical formula.

Chemical formula of Amethyst- SiO₂
Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Semi Precious Gemstones

Amethyst Vs Moonstone

Amethyst Vs Jasper

Amethyst Vs Jade

Amethyst and Axinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Axinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Axinite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 3.26-3.36 whereas that of Axinite is 3.26-3.36.