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Group of Manganocalcite crystals very reactive to UV, they become red, coming from the famous mine NChwaning in South Africa.4,20 x 2,90 x 1,90 cmReference : 2496

Rare specimen of Celestine on matrix from the NChwaning Mine in South Africa. It is not common to cross Celestine in the Manganese fields of the Kalahari, especially since these crystals are very well formed and have a beautiful blue color.4,80 x 4,60 x 4 cmReference : 2499

Olmiite balls with well pronounced and well formed color from the famous mine NChwaning in South Africa.2,90 x 2,20 x 1,90 cmReference : 2501

Interesting piece composed of quartz crystals covered by calcite scalenohedra, the back of the sample being partially reddened by a ferric coating.It comes from Piedras verdes, Urique, Chihuahua in Mexico.This piece measures 10.2 cm long by 6.7 cm wide and 4.1 cm at the thickest.Its weight is 193...

Sample showing a vein with a geode containing "lamellae" green prehnite and quartz crystals.It comes from the district of Mumbai, Maharashtra, India.Specimen measuring 10.3 cm long by 5.6 cm wide and 3 cm at the thickest.Its weight is 188 grams.The back is sawn off.Reference: 1250Additional...

White calcite on orange pink Olmiite from the famous NChwaning mine in South Africa.2,90 x 2,15 x 2,10 cmReference : 2509

Excellent vanadinite with complex crystallization, two-tone, shiny and brightly colored.This piece comes from Mibladen, Aït Oufella Caïdat, Midelt, Drâa-Tafilalet, Morocco.It measures 3.4 cm high, 2.9 cm wide and 2.6 cm thick.Its weight is 37 grams.(Measurements off base)Reference: 1225Additional...