Radian Barite

Teplice (Teplitz), Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic
© KrauklMinerals

Show Radian Barite Photos (2)

Formula:

(Ba,Ra)SO

System:

Orthorhombic

Colour:

White

Lustre:

Vitreous

Hardness:

3 - 3½

Name:

From radium replacing barium and from the Greek, baryos, "heavy."

A variety of Baryte

A "variety" of baryte containing trace amounts of radium.

See also under Hokutolite.

Classification of Radian Barite

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Physical Properties of Radian Barite

Lustre:

Vitreous

Colour:

White

Streak:

White

Hardness (Mohs):

3 - 3½

Crystallography of Radian Barite

Crystal System:

Orthorhombic

Optical Data of Radian Barite

Type:

Biaxial (+)

RI values:

n_α = 1.634 - 1.637 n_β = 1.636 - 1.638 n_γ = 1.646 - 1.648

2V:

Measured: 36° to 40°, Calculated: 36° to 42°

Maximum Birefringence:

δ = 0.012

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.

Surface Relief:

Moderate

Dispersion:

weak

Chemical Properties of Radian Barite

Formula:

(Ba,Ra)SO

Essential elements:

Ba, O, S

All elements listed in formula:

Ba, O, Ra, S

Other Names for Radian Barite

Synonyms:

Radiobarite

Radiobaryte

Other Languages:

German:	Radiobarit
Spanish:	Radiobarita

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.

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.