(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
| Kazakhstan | |
- Qostaney Oblysy (Kostanai [Kustany] Oblast')
| Palache et al (1944), Dana's System of Mineralogy, 7th. ed., vol. 1: 680. |
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