wolframite

"The light bulb filament is made of tungsten because the metal can withstand very high temperatures. "

"The chemical lab used sodium tungstate to create a dense solution for their experiments. "

"The accused refused to reveal the source of the illegal drugs she was selling."

"The police identified the thief using security camera footage. "

"Electronics is a popular subject."

"Our lunch consists of a sandwich, an apple, and a drink. "

"Steel is often strengthened by adding manganese during its production. "

"The geologist studied the rocks in the park. "

"The geologist found a beautiful mineral specimen in the rock collection. "

"the bulb of the aorta"

"As you can see, this spacious dining-room gets a lot of light in the mornings."

"With his wrinkled, uneven face, the actor always seemed to play the heavy in films."