Gaspeite and Opal Physical Properties

Gaspeite

Opal

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1 Physical Properties

1.1 Tenacity

Not Available

BrittleWalter Schumann

1.2 Solubility

HCl soluble

hot salt water

1.3 Durability

Not Available

1.4 Specific Gravity

3.711.98-2.25

1 7.18

1.5 Fracture

Uneven

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

{10 1 1} Good

None

1.7 Mohs Hardness

4.5-55-6.5

2 10

1.8 Chemical Composition

(Ni,Mg,Fe++)CO3

SiO₂ · nH₂O

Gaspeite and Opal Chemical Formula

While comparing Gaspeite and 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 Gaspeite and Opal chemical formula.

Chemical formula of Gaspeite- (Ni,Mg,Fe++)CO3
Chemical formula of Opal- SiO₂ · nH₂O

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Gaspeite and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gaspeite and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gaspeite and Opal Optical Properties during the identification of gemstone. Specific gravity of Gaspeite is 1.98-2.25 whereas that of Opal is 1.98-2.25.