Ключевые слова: abstract, background, beautiful, black, blue, close, collection, color, copper, crystal, crystalline, gem, gemstone, geological, geology, green, isolated, jewel, macro, malachite, mineral, mines, morocco, natural, nature, object, ore, ornamental, piece, quarries, raw, rock, sample, semigem, semiprecious, shooting, small, specimen, stone, stones, structure, surface, texture, textured, white,