Swiss blue topaz and Herderite Physical Properties

Swiss blue topaz

Herderite

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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

Not Available2.90-3.02

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

Indistinct on {110}

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

Not Available

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

Swiss blue topaz and Herderite Chemical Formula

While comparing Swiss blue topaz 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 Swiss blue topaz and Herderite chemical formula.

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

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Swiss blue topaz and Herderite Specific Gravity

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