Scolecite and Fire Opal Physical Properties

Scolecite

Fire Opal

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.231.97-2.22

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

Perfect on {110} and {1 1 0}

Not Available

1.7 Mohs Hardness

5-5.56-6.5

2 10

1.8 Chemical Composition

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

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

Scolecite and Fire Opal Chemical Formula

While comparing Scolecite and Fire Opal 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 Scolecite and Fire Opal chemical formula.

Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

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Scolecite and Fire Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scolecite and Fire Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scolecite and Fire Opal Optical Properties during the identification of gemstone. Specific gravity of Scolecite is 1.97-2.22 whereas that of Fire Opal is 1.97-2.22.