Clinohedrite and Black Opal Physical Properties

Clinohedrite

Black 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

3.28-3.3351.97-2.22

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

5.56-6.5

2 10

1.8 Chemical Composition

CaZnSiO 4 · H 2OAnthony et al , Handbook of mineralogy (2001)

SiO 2 + H 2OUlrich Henn and Claudio C.

Clinohedrite and Black Opal Chemical Formula

While comparing Clinohedrite and Black 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 Clinohedrite and Black Opal chemical formula.

Chemical formula of Clinohedrite- CaZnSiO 4 · H 2OAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Clinohedrite and Black Opal Specific Gravity

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