Hiddenite and Boulder Opal Physical Properties

Hiddenite

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

3.15-3.211.98-2.25

1 7.18

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

1,2 prismatic

Not Available

1.7 Mohs Hardness

6-75-6.5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

SiO 2 + H 2OUlrich Henn and Claudio C.

Hiddenite and Boulder Opal Chemical Formula

While comparing Hiddenite 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 Hiddenite and Boulder Opal chemical formula.

Chemical formula of Hiddenite- LiAlSi₂O₆
Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Hiddenite and Boulder Opal Specific Gravity

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