![](http://www.alamy.com/thumbs/6/92272093-852B-4999-9586-3F65EF087806/2F3J6MR.jpg)
a large sample of stilbite with calcium and pyrite
Size: 4288px × 2848px
Photo credit: © WireStock / Alamy / Afripics
License: Royalty Free
Model Released: No
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