a block of wood or stone

a low stone wall built along the water's edge to protect an embankment

A rolling stone gathers no moss

a rubbing from a stone inscription

a Stone Arch Bridge

a stone probe

abacus-bead stone

abrasive stone

abutment stone

Acid Stone

acid stone materials

acidic stone

Aggregation crushed stone transition layer

albani stone

algal anchor stone

alkali-reactive stone powder

alloy steel tuck net within stone

alum stone

Alxa queer stone

amherst stone