Modifiers matching stone:

• precious,
• architectural,
• acid,
• vibrant,
• semiprecious,
• weaker,
• rich,
• hard,
• crystalline,
• colored,
• complementary,
• natural,
• synthetic,
• unstable,
• smoky,
• expensive,
• soft,
• healing,
• unusual,
• fragile,
• artificial,
• earthy,
• single,
• sedimentary,
• valuable,
• dark,
• sharp,
• beautiful,
• coloured,
• color,
• black,
• solid,
• carved,
• real,
• industrial,
• flat,
• fine,
• igneous,
• strong,
• available,
• clear,
• loose,
• difficult,
• white,
• simulated,
• plutonic,
• faceted,
• smaller,
• aggregate,
• rounded,
• sensitive,
• structural,
• traditional,
• refractive,
• good,
• interesting,
• softer,
• sparkly,
• translucent,
• heavy,
• darker,
• lustreless,
• yellow,
• clean,
• colourful,
• shiny,
• volcanic,
• special,
• free,
• trim,
• colorless,
• inert,
• raw,
• friable,
• exotic,
• native,
• resilient,
• local,
• brazilian,
• large,
• urinary,
• waxy,
• indian,
• ceramic,
• durable,
• alkaline,
• round,
• porous,
• coarse,
• organic,
• looking,
• authentic,
• common,
• environmental,
• small,
• tough,
• delicate,
• everyday,
• metal,
• powdered,
• metamorphic,
• calcareous,
• desired,
• crushed,
• resistant,
• hardest,
• symbolic,
• stained,
• brilliant,
• important,
• upright,
• exterior,
• red,
• supporting,
• ornamental,
• costly,
• manufactured,
• smooth,
• indigenous,
• genuine,
• unique,
• heterogeneous,
• popular,
• packed,
• rare,
• decorative,
• bright,
• magical,
• coated,
• transparent,
• textured,
• harder,
• dense,
• commercial,
• abrasive,
• elegant,
• absorbent,
• impermeable,
• nonabsorbent,
• impervious,
• sturdy,
• noble,
• polished,
• heated,
• typical,
• opaque,
• siliceous,
• glassy,
• ancient,
• colorful,
• rough,
• lapidary,
• brittle,

Simple categories matching volcanic:

• centre,
• rock,
• product,
• stratum,
• material,
• episode,
• substrate,
• deposit,
• depression,
• marker,
• phenomenon,
• condition,
• sand,
• feature,
• structure,
• emanation,
• sediment,
• event,
• stone,
• action,
• lava,
• process,
• activity,
• unit,
• flow,
• domain,
• hazard,
• eruption,
• component,
• mineral,
• cone,
• formation,
• precursor,
• system,
• substance,
• form,
• island,