SANTIAGO- China's Tianqi purchased on Monday a 23.77 percent stake in Chile lithium producer SQM for a total package price of approximately $4.066 billion, Chile's stock exchange said.

The stake was sold at $65 per share.

(Reporting by Antonio De la Jara Editing by Chizu Nomiyama) ((dave.sherwood@thomsonreuters.com; +56 9 9138 1047, +56 2 2370 4224; Reuters Messaging: dave.sherwood.thomsonreuters.com@reuters.net))