Ajoite and Herderite Physical Properties

Ajoite

Herderite

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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

2.962.90-3.02

1 7.18

1.5 Fracture

Not Available

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Perfect on {010}

Indistinct on {110}

1.7 Mohs Hardness

55-5.5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Ajoite and Herderite Chemical Formula

While comparing Ajoite and Herderite 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 Herderite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.

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Ajoite and Herderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Herderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Herderite Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 2.90-3.02 whereas that of Herderite is 2.90-3.02.