K2 (Cr2 O7)

Cr₂K₂O₇

Zhukova, L.A.Pinsker, Z.G.

Kristallografiya (1964) 9, 44-49

a=7.47Å   b=7.35Å   c=12.97Å

α=90°   β=91.92°   γ=90°