Herderite and Pleonast Physical Properties

Herderite

Pleonast

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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

5-5.5Not Available

2 10

1.8 Chemical Composition

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

Not Available

Herderite and Pleonast Chemical Formula

While comparing Herderite and Pleonast 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 Pleonast chemical formula.

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

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Herderite and Pleonast Specific Gravity

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