Lawsonite and Scapolite Physical Properties

Lawsonite

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

3.092.58-2.74

1 7.18

1.5 Fracture

White, Yellow, Pale blue, Brittle, Uneven

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

1.6 Cleavage

Perfect on {100} and {010}, imperfect on {101}

{100} Distinct, {110} Distinct

1.7 Mohs Hardness

85.5-6

2 10

1.8 Chemical Composition

Not Available

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

Lawsonite and Scapolite Chemical Formula

While comparing Lawsonite 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 Lawsonite and Scapolite chemical formula.

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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Lawsonite and Scapolite Specific Gravity

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