macro photography of natural mineral from geological collection - polished alunite stone on white background

---

Size: 3600px × 2787px
Photo credit: © Ekaterina Kriminskaya / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: alum, aluminilite, aluminium, alunite, background, brown, close, collection, decorative, gem, gemmological, gemmology, gemological, gemology, gemstone, geological, geology, macro, material, mineral, mineralogy, natural, object, ore, ornamental, pebble, piece, polished, potassium, purple, rock, sample, slab, small, specimen, stone, structure, surface, texture, tumbled, violet, white