Amethyst and Scapolite Physical Properties

Amethyst

Scapolite

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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

2.652.58-2.74

1 7.18

1.5 Fracture

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

ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Splintery

1.6 Cleavage

Indiscernible

{100} Distinct, {110} Distinct

1.7 Mohs Hardness

75.5-6

2 10

1.8 Chemical Composition

SiO₂

Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references

Amethyst and Scapolite Chemical Formula

While comparing Amethyst and Scapolite 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 Scapolite chemical formula.

Chemical formula of Amethyst- SiO₂
Chemical formula of Scapolite- Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references

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Amethyst and Scapolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Scapolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Scapolite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.58-2.74 whereas that of Scapolite is 2.58-2.74.