Moss Opal and Cobaltite Physical Properties

Moss Opal

Cobaltite

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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

1.98-2.506.3

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

1.6 Cleavage

Not Available

{100} Good, {010} Good, {001} Good

1.7 Mohs Hardness

5.5-6.55.5

2 10

1.8 Chemical Composition

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

CoAsSAnthony et al , Handbook of mineralogy (2001)

Moss Opal and Cobaltite Chemical Formula

While comparing Moss Opal and Cobaltite 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 Moss Opal and Cobaltite chemical formula.

Chemical formula of Moss Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

Compare Gems Found in USA

Moss Opal Vs Sapphire

Moss Opal Vs Phosphosiderite

Moss Opal Vs Serpentine

Moss Opal and Cobaltite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moss Opal and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moss Opal and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Moss Opal is 6.3 whereas that of Cobaltite is 6.3.