Ajoite and Poldervaartite Physical Properties

Ajoite

Poldervaartite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.962.91

1 7.18

1.5 Fracture

Not Available

Handbook of mineralogy (2001)

1.6 Cleavage

Perfect on {010}

None

1.7 Mohs Hardness

5Not Available

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Ajoite and Poldervaartite Chemical Formula

While comparing Ajoite and Poldervaartite 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 Poldervaartite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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Ajoite and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 2.91 whereas that of Poldervaartite is 2.91.