Carletonite and Common Opal Physical Properties

Carletonite

Common Opal

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.451.98-2.50

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

Perfect on {001}, good on {110}

Not Available

1.7 Mohs Hardness

4-4.55.5-6.5

2 10

1.8 Chemical Composition

KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Carletonite and Common Opal Chemical Formula

While comparing Carletonite and Common 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 Carletonite and Common Opal chemical formula.

Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Compare White Gemstones

Carletonite Vs Chrome Tourmaline

Carletonite Vs Chrome-Chalcedony

Carletonite Vs Chrome Tremolite

Carletonite and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carletonite and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carletonite and Common Opal Optical Properties during the identification of gemstone. Specific gravity of Carletonite is 1.98-2.50 whereas that of Common Opal is 1.98-2.50.