Sillimanite minerals production reached 70,000 tonnes in 1992 in Czechia, according to the National Statistical Office. This is 6.67% less than in the previous year.
Historically, sillimanite minerals production in Czechia reached an all time high of 75,000 tonnes in 1991 and an all time low of 70,000 tonnes in 1992.
Buy annual subscriptions for all our products.
Helgi Library 
