Apophyllite KF and Cobaltite Physical Properties

Apophyllite KF

Cobaltite

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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

2.33-2.376.3

1 7.18

1.5 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

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

Perfect on {001}, imperfect on {110}

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

1.7 Mohs Hardness

4.5-55.5

2 10

1.8 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

CoAsSAnthony et al , Handbook of mineralogy (2001)

Apophyllite KF and Cobaltite Chemical Formula

While comparing Apophyllite KF 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 Apophyllite KF and Cobaltite chemical formula.

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

Apophyllite KF Vs Nepouite

Apophyllite KF Vs Hauyne

Apophyllite KF Vs Langbeinite

Apophyllite KF and Cobaltite Specific Gravity

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