Rhodochrosite. Sample of cut and polished rhodochrosite,a manganese carbonate mineral. This pink stone is found in medium temperature hydroth- ermal veins associated with copper,silver and lead sulphides and other manganese minerals. It is also fairly common as a sedimentary mineral in the oxidation zone of sulphide deposits or as a precipitate from hydrothermal solutions. It is used as an ornamental stone,or if in large enough quantities,as a source of manganese | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Michler, Astrid & Hans-Frieder |
Taille de l’image : | 3959 px × 2727 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |