Nifontovite and Boulder Opal Physical Properties

Nifontovite

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

2.35-2.361.98-2.25

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{???} Indistinct

Not Available

1.7 Mohs Hardness

3.5-55-6.5

2 10

1.8 Chemical Composition

Ca 3B 6O 6(OH) 12 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

SiO 2 + H 2OUlrich Henn and Claudio C.

Nifontovite and Boulder Opal Chemical Formula

While comparing Nifontovite 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 Nifontovite and Boulder Opal chemical formula.

Chemical formula of Nifontovite- Ca 3B 6O 6(OH) 12 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Grey Gemstones

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Nifontovite Vs Gaylussite

Nifontovite and Boulder Opal Specific Gravity

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