Ключевые слова: background, brown, calcite, chondrodite, close, collage, collection, crystal, crystalline, crystals, decorative, diopside, druse, gem, gemmological, gemmology, gemological, gemology, gemstone, geological, geology, green, humite, isolated, little, macro, material, mineral, natural, nature, object, ornamental, pebble, piece, raw, rock, sample, set, shooting, small, specimen, stone, structure, surface, texture, textured, tumbled, up, various, white,