Ajoite and Galena Physical Properties

Ajoite

Galena

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.966.23

1 7.18

1.5 Fracture

Not Available

Subconchoidal, Brittle, Metallic

1.6 Cleavage

Perfect on {010}

Cubic perfect on [001], parting on [111]

1.7 Mohs Hardness

52.5-2.75

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

PbS

Ajoite and Galena Chemical Formula

While comparing Ajoite and Galena 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 Ajoite and Galena chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Galena- PbS

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Ajoite and Galena Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Galena Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Galena Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 6.23 whereas that of Galena is 6.23.