Ключевые слова: aggregate, artifact, chemical element, chemistry, close up, dig, digger, element, fine, geology, gloss, gray, grey, heap, hunt, investment, isolated, jewel, liberia, macro, metal, metallic, mine, mineral, mining, natural, natural resource, nugget, periodic system, periodic table, pile, platinum, precious, precious metal, pure, purity, raw material, savings, shiny, silver, silver mine, silver nugget, single, stone, success, valuable, value, wealth, white background,