- May 10, 2021
- Piemontite-(Sr)
- RRUFF Ideal Chemistry changed from "CaSrMn3+Al2(Si2O7)(SiO4)O(OH)" to "CaSr(Al2Mn3+)(Si2O7)(SiO4)O(OH)"
- Mineral Comment changed from to
- Oct 13, 2017
- Piemontite-(Sr)
- IMA Ideal Chemistry changed from "CaSrMn3+Al2(Si2O7)(SiO4)O(OH)" to "CaSr(Al2Mn3+)[Si2O7][SiO4]O(OH)"
- Mar 24, 2008
- Piemontite-(Sr)
- RRUFF Ideal Chemistry changed from "CaSr(Al2Mn3+)[Si2O7][SiO4]O(OH)" to "CaSrMn3+Al2(Si2O7)(SiO4)O(OH)"
- IMA Ideal Chemistry changed from "CaSr(Al2Mn3+)[Si2O7][SiO4]O(OH)" to "CaSrMn3+Al2(Si2O7)(SiO4)O(OH)"
- Sep 4, 2007
- May 10, 2007
- Dec 14, 2006
- Piemontite-(Sr)
- RRUFF Ideal Chemistry changed from "CaSr(Al,Mn3+,Fe)3(SiO4)(Si2O7)(O,OH)2" to "CaSr(Al2Mn3+)[Si2O7][SiO4]O(OH)"
- IMA Ideal Chemistry changed from "CaSr(Al,Mn3+,Fe)3(SiO4)(Si2O7)(O,OH)2" to "CaSr(Al2Mn3+)[Si2O7][SiO4]O(OH)"
- Oct 5, 2006
- Piemontite-(Sr)
- Mineral Display Name changed from "Strontiopiemontite" to "Piemontite-(Sr)"
- May 19, 2006
- Piemontite-(Sr)
- IMA Ideal Chemistry changed to "CaSr(Al,Mn3+,Fe)3(SiO4)(Si2O7)(O,OH)2"
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