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Radian Barite

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About Radian BariteHide

3 - 3½
Crystal System:
From radium replacing barium and from the Greek, baryos, "heavy."
A variety of Baryte

A "variety" of baryte containing trace amounts of radium. The activity of 226Ra in the material from Ohře Rift area, Czech Republic, may reach 8 Bq/g. Scaly precipitates on oil industry equipment may show the radioactivity as high as 103 Bq/g.

See also under Hokutolite.

Physical Properties of Radian BariteHide

3 - 3½ on Mohs scale

Optical Data of Radian BariteHide

Biaxial (+)
RI values:
nα = 1.634 - 1.637 nβ = 1.636 - 1.638 nγ = 1.646 - 1.648
Measured: 36° to 40°, Calculated: 36° to 42°
Max Birefringence:
δ = 0.012
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of Radian BariteHide


Crystallography of Radian BariteHide

Crystal System:

Synonyms of Radian BariteHide

Other Language Names for Radian BariteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Baryte1 photo of Radian Barite associated with Baryte on mindat.org.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Radian BariteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
R.A. Zielinski, J.K. Otton and J.R. Budahn (2001): Use of radium isotopes to determine the age and origin of radioactive barite at oil-field production sites, Environ. Poll. 113, 299–309.
Ulrych, J. et al. (2007): Cenozoic “radiobarite” occurrences in the Ohře (Eger) Rift, Bohemian Massif: Mineralogical and geochemical revision. Chemie der Erde - Geochemistry, 67, 301-312.
Grandia, F., Merino, J., Bruno, J. (2008): Assessment of the radium-barium co-precipitation and its potential influence on the solubility of Ra in the near-field. SKB Technical Report TR-08-07

Internet Links for Radian BariteHide

Mineral and/or Locality  
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