The file on the new mineral richardsite in CNMNC Newsletter 55 was wrong in the ‘How to cite’ paragraph. Here is the correct version.
IMA No. 2019-136
Richardsite
Zn2CuGaS4
Merelani mines, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania
Luca Bindi and John A. Jaszczak
*E-mail: luca.bindi@unifi.it
Stannite group
Tetragonal: I $\overline 4 $2m; structure determined
a = 5.3626(2), c = 10.5873(5) Å
3.084(100), 1.898(20), 1.882(40), 1.614(20), 1.600(10), 1.092(10)
Type material is deposited in the mineralogical collections of the Museo di Storia Naturale, Università di Firenze, Via La Pira 4, I-50121, Firenze, Italy, catalogue number 3555/I
How to cite: Bindi, L. and Jaszczak, J.A. (2020) Richardsite, IMA 2019-136. CNMNC Newsletter No. 55; Mineralogical Magazine, 84, https://doi.org/10.1180/mgm.2020.39