- Oct 13, 2017
- Straczekite
- IMA Ideal Chemistry changed from "(Ca,K,Ba)V8O20·3H2O" to "(Ca,K,Ba)(V5+,V4+)8O20·3H2O"
- Feb 28, 2015
- Straczekite
- RRUFF Ideal Chemistry changed from "(Ca,K,Ba)V8O20·3H2O" to "(Ca,K,Ba)V4+2V5+6O20·3H2O"
- Oct 21, 2012
- May 19, 2006
- Straczekite
- IMA Ideal Chemistry changed to "(Ca,K,Ba)V8O20·3H2O"
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