TR36AF4: A novelty at Sainte Marie-aux-Mines 2017. Group of Chalcostibite crystals, some of them forming parallel growths and partially doubly terminated, with excellent terminal faces and superficially replaced by Azurite and small Malachite impregnations. The quality of the sample and the definition of the crystals are very high and unusual for the species.
This specimen was photographed and published as a novelty at the 2017 Ste. Marie Show in the magazine ‘Le Règne Minéral’ number 136, page 47, the magazine "Lapis" number 07-08/2017, page 71 and as a Ste. Marie 2017 new discovery in the magazine ‘Mineralogical Record’ on page 693 in the volume 48, number 5, September-October 2017
Rar el Anz, Oued Cherrat (Cherrat Wadi), Chaouia-Ouardigha, Casablanca Prefecture, Casablanca-Settat Region  Morocco (2017)

Specimen size: 6.5 × 4.3 × 2.6 cm = 2.56” × 1.69” × 1.02”

Main crystal size: 5.6 × 3.5 cm = 2.20” × 1.38”