- Sep 4, 2023
- Arrheniusite-(Ce)
- RRUFF Ideal Chemistry changed from "CaMg[(Ce7Y3)Ca5](SiO4)3(Si3B3O18)(As5+O4)(BO3)F11" to "CaMg[(Ce3+7Y3)Ca5](SiO4)3(Si3B3O18)(As5+O4)(BO3)F11"
- Sep 6, 2021
- Arrheniusite-(Ce)
- RRUFF Ideal Chemistry changed from "CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3As5+O18)(BO3)F11" to "CaMg[(Ce7Y3)Ca5](SiO4)3(Si3B3O18)(As5+O4)(BO3)F11"
- IMA Ideal Chemistry changed from "CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11" to "CaMg[(Ce7Y3)Ca5](SiO4)3(Si3B3O18)(AsO4)(BO3)F11"
- Jul 22, 2021
- Jun 22, 2020
- Arrheniusite-(Ce)
- New Mineral Entry
- Mineral Display Name changed to "Arrheniusite-(Ce)"
- RRUFF Ideal Chemistry changed to "CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3As5+O18)(BO3)F11"
- IMA Ideal Chemistry changed to "CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11"
- IMA Number changed to "IMA2019-086"
- Mineral Comment changed to
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