Seraphinite and Opal Physical Properties

Seraphinite

Opal

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1 Physical Properties

1.1 Tenacity

Not Available

BrittleWalter Schumann

1.2 Solubility

Not Available

hot salt water

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-3.021.98-2.25

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

Not Available5-6.5

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

SiO₂ · nH₂O

Seraphinite and Opal Chemical Formula

While comparing Seraphinite 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 Seraphinite and Opal chemical formula.

Chemical formula of Seraphinite- (Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Opal- SiO₂ · nH₂O

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Seraphinite and Opal Specific Gravity

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