Onyx and Boleite Physical Properties

Onyx

Boleite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.705.05

1 7.18

1.5 Fracture

Not Available

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indiscernible

[001] perfect

1.7 Mohs Hardness

6.5-73-3.5

2 10

1.8 Chemical Composition

SiO₂

Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Onyx and Boleite Chemical Formula

While comparing Onyx and Boleite 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 Onyx and Boleite chemical formula.

Chemical formula of Onyx- SiO₂
Chemical formula of Boleite- Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references

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Onyx and Boleite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Boleite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Boleite Optical Properties during the identification of gemstone. Specific gravity of Onyx is 5.05 whereas that of Boleite is 5.05.