Definitions

1. noun

A rare or obsolete word for a type of stone or a hard, unyielding substance, particularly a type of silicate mineral.

“The geologist carefully identified the hartite as a type of quartz, which was later confirmed by further analysis.”

2. noun

In geology, a type of rock or stone that is extremely hard and resistant to wear and tear, often associated with high pressure and temperature conditions deep within the Earth’s crust.

“The hartite formation was discovered in the remote mountains, where it had been subjected to immense pressure over millions of years.”