Chrome-Chalcedony and Herderite Physical Properties

Chrome-Chalcedony

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

2.55-2.702.90-3.02

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

6.5-75-5.5

2 10

1.8 Chemical Composition

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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

Chrome-Chalcedony and Herderite Chemical Formula

While comparing Chrome-Chalcedony 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 Chrome-Chalcedony and Herderite chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.

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Chrome-Chalcedony and Herderite Specific Gravity

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