J. Schlüter, K.-H. Klaska, G. Gebhard (2000) Belloite, Cu(OH)Cl, a new mineral from Sierra Gorda, Antofagasta, Chile. Neues Jahrb. Mineral. Mon., 67–73.

Electron microprobe and CHN analysis gave CuO 68.84, Cl 26.35, H2O 7.47, O ≡ Cl 5.96, sum 96.70 wt%, corresponding to Cu1.05(OH)1.00O0.10Cl0.90. The mineral occurs as yellowish green to olive-green incrustations and masses in which individual grains are up to 100 μm. Vitreous luster, transparent to translucent, soft, yellowish green streak, nonfluorescent, Dcalc = 3.79 g/cm3 for the empirical formula and Z = 4. Unstable in...

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