Scapolite and Gypsum Physical Properties

Scapolite

Gypsum

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.58-2.74

ConchoidalWalter Schumann, Splintery

{100} Distinct, {110} Distinct

5.5-6

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

Flexible

Soluble

2.20-2.40

Conchoidal, Splintery, Fibrous

Perfect on {010}, distinct on {100}

CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Scapolite and Gypsum Chemical Formula

While comparing Scapolite and Gypsum 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 Scapolite and Gypsum chemical formula.

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Scapolite and Gypsum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scapolite and Gypsum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scapolite Vs Gypsum during the identification of gemstone. Specific gravity of Scapolite is whereas that of Gypsum is .