crack, fissure, split, breach, cleft, chasm,, fault, fracture, opening, crevice, schism, division, rupture, break, separation, tear
rock - pebble - boulder - cobblestone - gravel - gem - crystal - mineral - slab - nugget - shard - fragment - piece - chunk - block - monolith - scree - talus - crag - outcrop - flint - quartz - agate - jasper - marble - granite - limestone - sandstone - shale - slate - basalt - pumice - obsidian - onyx - jade - turquoise - sapphire - ruby - emerald - diamond - topaz - amethyst - garnet - opal - lapis lazuli - peridot - tourmaline - zircon - aquamarine
A stone is a small piece of rock that has been shaped or naturally formed. Stones come in various sizes and types and are often used in construction, decoration, and as historical artifacts. They can vary in hardness, color, and texture depending on their mineral composition and formation process.