Quartz and Scapolite Physical Properties

Quartz

Scapolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.652.58-2.74

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle, Gems

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

1.6 Cleavage

{0110} Indistinct

{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

Quartz and Scapolite Chemical Formula

While comparing Quartz 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 Quartz and Scapolite chemical formula.

Chemical formula of Quartz- 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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Quartz and Scapolite Specific Gravity

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