- Oct 13, 2017
- Brianyoungite
- IMA Ideal Chemistry changed from "Zn3CO3(OH)4" to "Zn3(CO3)(OH)4"
- Mar 2, 2015
- Brianyoungite
- RRUFF Ideal Chemistry changed from "Zn3CO3(OH)4" to "Zn2+3CO3(OH)4"
- Sep 2, 2012
- Apr 4, 2007
- Brianyoungite
- RRUFF Ideal Chemistry changed from "Zn3(CO3,SO4)(OH)4" to "Zn3CO3(OH)4"
- IMA Ideal Chemistry changed from "Zn3(CO3,SO4)(OH)4" to "Zn3CO3(OH)4"
- Jun 27, 2006
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