Herderite and Pietersite Physical Properties

Herderite

Pietersite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.02Not Available

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Indistinct on {110}

Not Available

1.7 Mohs Hardness

5-5.55

2 10

1.8 Chemical Composition

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

Not Available

Herderite and Pietersite Chemical Formula

While comparing Herderite and Pietersite 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 Pietersite chemical formula.

Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.

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Herderite and Pietersite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Herderite and Pietersite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Herderite and Pietersite Optical Properties during the identification of gemstone. Specific gravity of Herderite is Not Available whereas that of Pietersite is Not Available.