![](http://www.alamy.com/thumbs/6/52F44B4A-533B-46F7-860F-5B9EBAE48841/2AF3J8J.jpg)
Wolframite / Hubnerite (manganese iron tungstate) on Jacare Quartz (Brazil)
Size: 2700px × 2700px
Photo credit: © PjrRocks / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: crystals, geological, geology, hubnerite, huebnerite, iron, jacare, manganese, mineral, minerals, quartz, rock, sample, small, stone, tungstate, wolframite