Modifiers matching rock:

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

Simple categories matching heavier:

• rock,
• machinery,
• fabric,
• material,
• industry,
• hadron,
• thing,
• conductor,
• item,
• artifact,
• atom,
• post,
• leaf,
• metal,
• weaponry,
• substance,
• aggregate,
• machine,
• halogen,
• package,
• meal,
• bird,
• particle,
• medium,
• structure,
• alloy,
• stock,
• constituent,
• vehicle,
• fraction,
• congener,
• wood,
• order,
• furniture,
• clothing,
• contaminant,
• container,
• impurity,
• footwear,
• product,
• unit,
• isotope,
• part,
• lepton,
• car,
• instrument,
• body,
• thread,
• dirtiness,
• piece,
• alkane,
• music,
• construction,
• substrate,
• element,
• contamination,
• pellet,
• arms,
• alcohol,
• sawdust,
• work,
• liquid,
• deposit,
• electron,
• vegetable,
• papers,
• area,
• hardwood,
• filament,
• mixture,
• chemical,
• equipment,
• textile,
• paint,
• garment,
• article,
• needle,
• sweetener,
• fuel,
• sediment,
• volatile,
• mineral,
• style,
• fixture,
• waste,
• stuff,
• camera,
• activity,
• weapon,
• meson,
• agent,
• residue,
• clothes,
• plant,
• scent,
• ion,
• load,
• foundation,
• tool,
• implement,
• meat,
• cake,
• fibre,
• stain,
• grain,
• paper,
• compound,
• dish,
• armament,
• food,
• tm,
• surface,
• fish,
• gas,
• linen,
• solid,
• component,
• fare,
• ship,
• glove,
• fluid,
• job,
• bread,
• soil,
• gear,
• distillate,
• object,
• elements,
• hydrocarbon,
• fastener,
• sport,
• ball,
• knit,
• utensil,
• pasta,
• line,
• system,
• decoration,
• aircraft,
• source,
• commodity,
• transport,