Herderite and Ajoite Physical Properties

Herderite

Ajoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.022.96

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Indistinct on {110}

Perfect on {010}

1.7 Mohs Hardness

5-5.55

2 10

1.8 Chemical Composition

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

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Herderite and Ajoite Chemical Formula

While comparing Herderite and Ajoite 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 Herderite and Ajoite chemical formula.

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

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Herderite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Herderite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Herderite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Herderite is 2.96 whereas that of Ajoite is 2.96.