granular habit of crystal of sulphur stone in the museum.

bedrock black boulder brown calcite carbon carbonate carving charcoal clay close-up coal divided economic feldspar formation fossil fuel geology granite gypsum hand hematite industrial isolated jewellery macro magnetite metal metallic microcline mineral museum natural nature object ore phyllosilicate piece raw realgar rock rough sculpture specimen stone stonewall sulfate sulfide value sample opal hard oxides antimonite copper white brass-yellow blue quartz vein hydrated aluminium potassium minerals nonmetallic manganese background granular habit crystal sulphur museum