Citation: Ma, Z.; Li, G.; Chukanov, N. V.; Poirier, G.; Shi, N. (2014). Tangdanite, a new mineral species from the Yunnan Province, China and the discreditation of 'clinotyrolite'. Mineralogical Magazine, 78, pp. 559-569.
Formula: As4 Ca2 Cu9 H24.96 O37.18 S0.52
List type: interleaving
List: 2D
Basis: (0;1;0 0;0;1)
Dimensionality: 2
Formula: As8 Cu18 O60 (As4 Cu9 O30)
Multiplicity: 1
Coordination sequences: