Hartkoppeite
Ca4Mn2+Mo66+As45+O32(OH)2(H2O)14·5H2O
Hkp
Fuchs quarry, Hartkoppe, Sailauf, Aschaffenburg district, Lower Franconia, Bavaria, Germany (50°01’57” N, 9°16’28” E)
Anthony R. Kampf*, Gerhard Möhn, Chi Ma and Joy Désor
*E-mail:
akampf@nhm.org
New structure type
Triclinic: P ; structure determined
a = 13.3461(1), b = 13.5384(1), c = 14.3087(2) Å, α = 71.080(5), β = 82.936(6), γ = 68.792(5)°
12.552(100), 10.452(36), 7.887(40), 5.559(39), 3.262(38), 3.137(54), 3.034(38), 1.479(34)
Type material is deposited in the collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue number 77379
How to cite: Kampf, A.R., Möhn, G., Ma, C. and Désor, J. (2025) Hartkoppeite, IMA 2025-056. CNMNC Newsletter 88, Mineralogical Magazine, 89,
https://doi.org/10.1180/mgm.2025.10183