Nuummite and Crystal Opal Physical Properties

Nuummite

Crystal 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

3.18-3.371.97-2.22

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Perfect on 210

Not Available

1.7 Mohs Hardness

5.5-65.5-6.5

2 10

1.8 Chemical Composition

Not Available

SiO 2 + H 2OUlrich Henn and Claudio C.

Nuummite and Crystal Opal Chemical Formula

While comparing Nuummite and Crystal 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 Nuummite and Crystal Opal chemical formula.

Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Green Gemstones

Nuummite Vs Pleonaste

Nuummite Vs Phosphosiderite

Nuummite Vs Pezzottaite

Nuummite and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nuummite and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nuummite and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Nuummite is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.