Spodumene and Scapolite Physical Properties

Spodumene

Scapolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.212.58-2.74

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

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

1.6 Cleavage

Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°

{100} Distinct, {110} Distinct

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

LiAlSi₂O₆

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

Spodumene and Scapolite Chemical Formula

While comparing Spodumene 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 Spodumene and Scapolite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
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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Spodumene and Scapolite Specific Gravity

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