Iyoite Explained

Iyoite
Category:	Halide minerals
Formula:	MnCuCl(OH)3
Imasymbol:	Iy^[1]
System:	Monoclinic
Class:	Prismatic (2/m) (same H-M symbol)
Symmetry:	P21/m
Unit Cell:	a = 5.622, b = 6.586 c = 5.719 [Å]; β = 91.55°; Z = 2
References:	^[2]

Iyoite is a very rare manganese copper chloride hydroxide mineral with the formula MnCuCl(OH)₃. Iyoite is a new member of the atacamite group, and it an analogue of botallackite characterized in manganese and copper ordering. Iyoite is monoclinic (space group P2₁/m). It is chemically similar to misakiite. Both minerals come from the Ohku mine in the Ehime prefecture, Japan.^{[3] [4]}

Notes and References

1. Warr. L.N.. 2021. IMA–CNMNC approved mineral symbols. Mineralogical Magazine. 85. 3. 291–320. 10.1180/mgm.2021.43. 2021MinM...85..291W. 235729616. free.
2. http://www.mindat.org/min-45980.html Mindat
3. Nishio-Hamane, D., Momma, K., Ohnishi, M., Shimobayashi, N., Miyawaki, R., Tomita, N., and Minakawa, T., 2014. Iyoite, IMA 2013-130. CNMNC Newsletter No. 20, June 2014, page 552; Mineralogical Magazine, 78, 549-558
4. Web site: Iyoite: Iyoite mineral information and data . Mindat.org . 2016-03-05.