Caledonite

IMA formula: Cu₂Pb₅(SO₄)₃(CO₃)(OH)₆

Crystallography: Orthorhombic. Pmn2₁. a = 20.085(3) Å, b = 7.141(1) Å, c = 6.563(1) Å. Z = 2.

Specimen #95. Caledonite on linarite. Blue Bell Mine, Zzyzx, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA. FOV 5.4 mm.

Specimen #84. Caledonite. Badenweiler, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany. FOV 7.4 mm.