Rock Metals Word Search — Medium

Play a free online Rock Metals word search puzzle. Difficulty: Medium. Find all 12 hidden words on the 11×11 grid below.

Words to find

Plus 4 hidden bonus words.

COAL /kəʊl/ (British), /koʊl/ (US) · noun: A hard black substance consisting largely of carbon, formed from the fossilized remains of plants over millions of years and burned as fuel. It also refers to an individual piece of this substance. Related: anthracite, bitumen, char, carbon.
MARL /mɑːrl/ · noun: A mixture of clay and lime, used as a building material. A type of soil or sediment. Related: clay, loam, silt, mud.
OPAL /ˈoʊpəl/ · noun: A gemstone often colored in shades of blue or green, typically with a milky or iridescent appearance. It is a hydrated silica mineral, often used in jewelry. Related: jewel, gem, stone, bead.
ONYX /ɒnɪks/ · noun: A dark, glossy, fine-grained variety of chalcedony, often used in jewelry. A dark, glossy, fine-grained variety of chalcedony, often used in jewelry. Related: jet, onyx stone, chalcedony, garnet.
SARD /sɑrd/ · noun: A sard is a small, oily fish, typically pickled in salt and served as a snack or appetizer. Related: anchovy, herring, mackerel, sardine.
BORT /bɔːt/ (British), /bɔːrt/ (US) · noun: Bort is low-grade or imperfect diamond, too flawed or irregular for use as a gemstone, crushed and used chiefly in industrial cutting, grinding, and drilling tools. Related: industrial diamond, carbonado, diamond dust, boart.