Modifiers matching rock:

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

Simple categories matching inert:

• matrix,
• aggregate,
• gas,
• artefact,
• material,
• waste,
• pollutant,
• contamination,
• resin,
• body,
• substance,
• carrier,
• metal,
• surface,
• abrasive,
• cement,
• particle,
• solution,
• compound,
• soil,
• filler,
• fluid,
• environment,
• component,
• appendage,
• constituent,
• salt,
• food,
• animal,
• group,
• substrate,
• instrument,
• solid,
• core,
• atmosphere,
• liquid,
• residue,
• np,
• fiber,
• fabric,
• polyester,
• window,
• mineral,
• plastic,
• medium,
• sugar,
• oxide,
• anode,
• stone,
• pyrophosphate,
• rubbish,
• medication,
• system,
• halocarbon,
• macromolecule,
• stimulant,
• powder,
• radical,
• structure,
• atom,
• wax,
• fraction,
• marker,
• rock,
• base,
• hydrocarbon,
• tissue,
• adhesive,
• chemical,
• electrode,
• molecule,
• solute,
• protein,
• agent,
• debris,
• support,
• polymer,
• object,
• cloth,
• white,
• solvent,
• entity,
• diluent,
• particulate,
• filter,
• form,
• element,
• container,
• placebo,
• carbon,
• carbohydrate,
• matter,
• ballast,
• absorbent,
• dust,
• item,
• conductor,
• feed,
• sorbent,
• ingredient,