Rock Crystal and Cobaltite Physical Properties

Rock Crystal

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

2.656.3

1 7.18

1.5 Fracture

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

75.5

2 10

1.8 Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)

CoAsSAnthony et al , Handbook of mineralogy (2001)

Rock Crystal and Cobaltite Chemical Formula

While comparing Rock Crystal 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 Rock Crystal and Cobaltite chemical formula.

Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Rock Crystal Vs Scorzalite

Rock Crystal Vs Sardonyx

Rock Crystal Vs Serendibite

Rock Crystal and Cobaltite Specific Gravity

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