Ключевые слова: aquamarine, block, cartoon, chemical, coal, concept, crystal, decoration, decorative, diamond, exterior, extraction, gem, geological, geology, grain, granite, hard, header, illustration, industry, isolated, jewel, jewelry, material, mineral, mineralogist, mineralogy, natural, nature, precious, raw, reaction, rock, rough, sample, science, scientist, shape, slab, soil, solid, stone, stones, structure, studying, style, surface, typographic,