MANGANOAN CALCITE - NChwaning I Mine, Kuruman, Kalahari, Northern Cap, South Africa
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
CELESTINE - NChwaning II Mine, Kuruman, Kalahari, Northern Cap, South Africa
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 - NChwaning II Mine, Kuruman, Kalahari, Northern Cap, South Africa
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
Quartz, calcite - Piedras Verdes, Mexico, 193 grams
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...
Prehnite, quartz - Mumbai, India, 188 grams
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...
CALCITE on OLMIITE - NChwaning II Mine, Kuruman, Kalahari, Northern Cap, South Africa
White calcite on orange pink Olmiite from the famous NChwaning mine in South Africa.2,90 x 2,15 x 2,10 cmReference : 2509
