Formula: Cu4ClF(OH)6, Originally assumed to be Cu4(OH)7Cl.nH2O.

Species: Halides

Colour: Blue

Lustre: Pearly

Specific Gravity: 3.9

Crystal System: Hexagonal

Name: Named in honor of Gordon Frank Claringbull (1911-1990), former Keeper of Mineralogy and Director of the British Natural History Museum, London, England. He helped describe six new minerals including the rare gemstones taaffeite, sinhalite, and painite.

Co-Type Localities: M’sesa Mine, Kambove, Kambove Territory, Haut-Katanga, DR Congo; Nchanga Mine, Chingola, Chingola District, Copperbelt Province, Zambia

Isostructural with: Barlowite