Hureaulite and Boulder Opal Physical Properties

Hureaulite

Boulder Opal

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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

3.191.98-2.25

1 7.18

1.5 Fracture

Brittle, Uneven

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{???} Distinct

Not Available

1.7 Mohs Hardness

3.55-6.5

2 10

1.8 Chemical Composition

Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)

SiO 2 + H 2OUlrich Henn and Claudio C.

Hureaulite and Boulder Opal Chemical Formula

While comparing Hureaulite and Boulder 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 Hureaulite and Boulder Opal chemical formula.

Chemical formula of Hureaulite- Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Violet Gemstones

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Hureaulite and Boulder Opal Specific Gravity

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