49530
In 2009 , a naturally occurring boron nitride mineral in the cubic form ( c-BN ) was reported in Tibet , with a proposed name of " qingsongite " .
 Tibet
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Tibet