Pseudomorphosis, malachite after barite. Nice group of green centimetric crystals, specimen from Shangulowe mine, Katanga, Democratic Republic of Congo. G.Gauthier label.4 x 3 x 2 cmReference : 0040
Lead molybdate. Yuma co. mine in Arizona, USA. Specimen 4.5x2.5x2 cm covered on one side with red octahedral crystals of about 2 mm. 3 labels, one manuscript by Chervet, one by Deyrolle and one by Georges L. English from New-York. 4,5 x 2,5 x 2 cm Reference : 0030
Associated with the clinochlore7.0 x 5.8 x 3.6 cmReference : 0108
Betafos, Madagascar. Hydroxy-oxide of titanium, niobium and uranium. Highly radioactive mineral. Monocrystal, comes from the pegmatites of Ambatofotsy, crystallised on all sides. 4 x 3,5 x 3 cm Reference : 0028
personal discovery8.9 x 3.1 x 3.0 cmReference : 0128
Many crystal clear aquamarine and a beautiful blue (old find)7 x 6 x 4 cmReference : 0256
16 x 12 x 4,,5 cmReference : 0255
Beautiful aquamarine crystal associated with black tourmaline9 x 5 x 3,5 cmReference : 0249
A classic from the Erongo deposit in Namibia, Aquamarine, orthoclase and black tourmaline; A very beautiful specimen, well balanced9 x 5 x 4,5 cmReference : 0171
Ametyst and smoky biterminated quartz crystal. Beautiful shine and transparency5 x 3 x 2,5 cmReference : 0086
Fluorite and quartz association, to be noted, the back of the specimen is sawn off8 x 6 x 4 cm0013-MDSA
Nice and unusual association 10 x 5 x 4 cm0005-MDSA
