Ключевые слова: blue, cancrinite, clear, close up, collection, crystal, crystalline, decorative, druse, gem, gemmological, gemmology, gemological, gemology, gemstone, geological, geology, isolated, jewelry, little, macro, macro shooting, material, mineral, natural, nature, object, ornamental, pebble, piece, raw, rock, sample, semiprecious, small, specimen, stone, structure, sulfatic cancrinite, surface, texture, textured, transparent, vishnevite, white, white background, wischnevite, wischnewite,