Modifiers matching rock:

• sedimentary,
• lighter,
• vitreous,
• hard,
• refractory,
• ordinary,
• covered,
• metamorphic,
• natural,
• dense,
• igneous,
• colored,
• molten,
• ductile,
• volcanic,
• korean,
• soft,
• precious,
• homogeneous,
• sharp,
• available,
• refractive,
• flat,
• resistant,
• crustal,
• russian,
• heated,
• colorful,
• unstable,
• porous,
• weak,
• coloured,
• artificial,
• crystalline,
• virgin,
• combustible,
• typical,
• conductive,
• british,
• planetary,
• tough,
• loose,
• acidic,
• softer,
• spherical,
• useful,
• visible,
• consolidated,
• powdered,
• polycrystalline,
• crumbly,
• acid,
• brittle,
• native,
• size,
• anisotropic,
• magnetic,
• competent,
• opaque,
• enough,
• normal,
• good,
• alkaline,
• egyptian,
• impervious,
• reactive,
• light,
• heavy,
• coarse,
• azonic,
• modern,
• new,
• heterogeneous,
• dated,
• impenetrable,
• free,
• flying,
• difficult,
• durable,
• stronger,
• non-porous,
• polyphase,
• granular,
• glassy,
• argillaceous,
• traditional,
• indigenous,
• dry,
• strong,
• smooth,
• small,
• large,
• white,
• exotic,
• smaller,
• underlying,
• permeable,
• ingenious,
• carbonaceous,
• basic,
• bituminous,
• ornamental,
• lightweight,
• calcareous,
• insoluble,
• heavier,
• rough,
• eruptive,
• unusual,
• soluble,
• suitable,
• primary,
• solid,
• compact,
• unconsolidated,
• terrestrial,
• crushed,
• organic,
• uniform,
• local,
• decorative,
• hardest,
• original,
• abrasive,
• rigid,
• related,
• intrusive,
• surrounding,
• inappropriate,
• stable,
• polished,
• plutonic,
• marine,
• geologic,
• fragile,
• subsurface,
• deleterious,
• siliceous,
• chemical,
• barren,
• frozen,
• clastic,
• tight,
• base,
• widespread,
• flinty,
• textured,
• harder,
• noble,
• abundant,
• reflective,
• sticky,
• impermeable,
• geological,
• aluminous,
• weaker,
• extrusive,
• looking,
• fine,
• hot,
• inert,
• pulverized,
• isolated,
• angular,
• industrial,
• sedentary,
• firm,
• red,
• elastic,
• simple,
• dark,
• rich,
• fragmented,
• extraterrestrial,
• common,
• metallic,
• nonporous,
• salt,
• intermediate,
• massive,
• friable,
• older,

Simple categories matching rough:

• fish,
• clothes,
• information,
• road,
• surface,
• stuff,
• sport,
• metal,
• terrain,
• material,
• sponge,
• country,
• area,
• use,
• roads,
• stone,
• bark,
• pavement,
• structure,
• idea,
• game,
• food,
• activity,
• vegetation,
• sample,
• papers,
• ground,
• gem,
• fodder,
• substance,
• object,
• land,
• fabric,
• fiber,
• play,
• fibre,
• substrate,
• diamond,
• cloth,
• siding,
• matter,
• feature,
• gemstone,
• clothing,
• place,
• tool,
• grain,
• work,
• surroundings,
• thread,
• toweling,
• particle,
• rock,
• leather,
• item,
• grassland,
• paper,
• part,
• weather,
• condition,