Amethyst and Clinohumite Physical Properties

Amethyst

Clinohumite

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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

2.653.13-3.75

1 7.18

1.5 Fracture

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

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Indiscernible

Poor on {100}

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

SiO₂

(Mg,Fe2+ ) 9(SiO 4) 4(F,OH)) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Amethyst and Clinohumite Chemical Formula

While comparing Amethyst and Clinohumite 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 Clinohumite chemical formula.

Chemical formula of Amethyst- SiO₂
Chemical formula of Clinohumite- (Mg,Fe2+ ) 9(SiO 4) 4(F,OH)) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Amethyst and Clinohumite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Clinohumite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Clinohumite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 3.13-3.75 whereas that of Clinohumite is 3.13-3.75.