Minerals Word Search — Hard

Play a free online Minerals word search puzzle. Difficulty: Hard. Find all 12 hidden words on the 12×12 grid below.

Words to find

Plus 4 hidden bonus words.

TOPSOIL /tɒpsɔɪl/ · noun: The upper layer of soil, rich in nutrients and organic matter, and capable of supporting plant growth. Related: soil, earth, dirt, loam.
EMERALD /ˈɛmərəld/ · noun: A precious gemstone, a variety of the mineral beryl, that is prized for its vivid green colour. Also used to describe this brilliant green colour itself. Related: gemstone, jewel, beryl, precious stone.
CLAY /kleɪ/ · noun: A stiff, sticky fine-grained earth, typically a hydrous aluminum silicate, that hardens when dried or fired and is used in pottery, bricks, and sculpture; also, figuratively, the material of the human body. Related: loam, earth, mud, adobe.
LYE /laɪ/ · noun, verb: A strong alkaline substance, typically sodium hydroxide or potassium hydroxide, used in soap making and as a cleaning agent. To treat or clean with lye. Related: alkali, caustic, sodium hydroxide, potassium hydroxide.
YTTRIUM /ˈɪtriəm/ · noun: A chemical element with the symbol Y and atomic number 39. It is a silvery-metallic transition metal that is soft, malleable, and has a melting point of 1522°C. Related: lanthanum, scandium, europium, cerium.
INVAR /ˈɪnvɑː/ · noun: Invar is a type of steel alloy known for its low thermal expansion properties, making it useful in applications where dimensional stability is crucial. Related: steel alloy, low-expansion metal, thermally stable material.