Cobaltite and Astrophyllite Physical Properties

Cobaltite

Astrophyllite

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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

6.3

3.2-3.4

1.5 Fracture

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

Uneven, Brittle, Metallic

1.6 Cleavage

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

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

5.5

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Cobaltite and Astrophyllite Chemical Formula

While comparing Cobaltite and Astrophyllite 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 Cobaltite and Astrophyllite chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Compare Gems Found in America

Cobaltite Vs Diopside

Cobaltite Vs Datolite

Cobaltite Vs Diamond

Cobaltite and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.