Ключевые слова: abstract, background, basalt, collection, color, colorful, crust, crystal, crystallization, crystallized, deposit, earth, ecology, excavation, extraction, formation, geology, gold, golden, heavy, iron, isolated, material, matrix, metal, metallurgy, metamorphic, mineral, mineralized, mineralogy, mining, natural, ore, pattern, pyrite, rare, raw, research, resource, rock, rough, science, sedimentary, specimen, stone, surface, texture, white,