closeup of sample of natural mineral from geological collection - rough gneiss rock with kyanite, tourmaline crystals and biotite mca isolated on whit

---

closeup of sample of natural mineral from geological collection - rough gneiss rock with kyanite, tourmaline crystals and biotite mca isolated on white background

---

Size: 3800px × 3161px
Photo credit: © Valery Voennyy / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: background, biotite, blue, brown, close-, collection, crystal, crystalline, cut, cutout, decorative, gemstone, geological, gneiss, isolated, kyanite, macro, material, metamorphic, mica, mineral, mineralogical, natural, object, ornamental, piece, pink, quartz, raw, rock, rough, sample, specimen, stone, structure, surface, texture, tourmaline, unpolished, white