Wiikite mineral. Wiikite is a name used for indeterminate compounds and alteration products of minerals containing Niobium,Tantalum,Titanium,Silicium and Yttrium. It is only known and found in pegmatites in the Impilakhti Parish on Lake Ladoga,Finland,and. This sample measure 50 mm wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 4937 px × 3543 px |
Model Release : | Non requis |
Restrictions : | - |