Classification of Radian Barite |
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Physical Properties of Radian Barite |
| Lustre: | Vitreous |
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| Colour: | White |
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| Streak: | White |
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| Hardness (Mohs): | 3 - 3½ |
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Crystallography of Radian Barite |
| Crystal System: | Orthorhombic |
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Optical Data of Radian Barite |
| Type: | Biaxial (+) |
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| RI values: | nα = 1.634 - 1.637 nβ = 1.636 - 1.638 nγ = 1.646 - 1.648 |
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| 2V: | Measured: 36° to 40°, Calculated: 36° to 42° |
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| Maximum Birefringence: | δ = 0.012
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Moderate |
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| Dispersion: | weak |
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Chemical Properties of Radian Barite |
| Formula: | |
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| Essential elements: | Ba, O, S |
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| All elements listed in formula: | Ba, O, Ra, S |
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Other Names for Radian Barite |
| Synonyms: | |
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| Other Languages: | |
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Other Information |
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. |
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References for Radian Barite |
Reference List:
- + | 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. |
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Internet Links for Radian Barite |
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