Fayalite and Scolecite Physical Properties

Fayalite

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

4.3922.20-2.23

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

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

1.6 Cleavage

{010} moderate, {100} imperfect

Perfect on {110} and {1 1 0}

1.7 Mohs Hardness

6.5-75-5.5

2 10

1.8 Chemical Composition

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Fayalite and Scolecite Chemical Formula

While comparing Fayalite 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 Fayalite and Scolecite chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

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Fayalite and Scolecite Specific Gravity

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