Rossmanite and Scolecite Physical Properties

Rossmanite

Scolecite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

32.20-2.23

1 7.18

1.5 Fracture

Brittle, Metallic

Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven

1.6 Cleavage

None

Perfect on {110} and {1 1 0}

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Rossmanite and Scolecite Chemical Formula

While comparing Rossmanite and Scolecite 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 Rossmanite and Scolecite chemical formula.

Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Compare Gems Found in America

Rossmanite Vs Scolecite

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Rossmanite and Scolecite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Scolecite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Scolecite Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 2.20-2.23 whereas that of Scolecite is 2.20-2.23.