Celestite Stone belongs to orthorhombic,which is a single crystal plate or columnar.It is a collection of grainy, fibrous, nodular, etc.Pure celestite stone were light blue or sky blue.Sometimes it is colorless and transparent while it turns black when mixed with impurities.Celestite Stone has glass luster,cleavage plane with pearl-like vignetting, white streak.Celestite Stone is mainly used for processing into strontium carbonate and nitrate,of which more than 90% for the production of strontium carbonate.The main purpose of strontium carbonate production is to produce color TV picture tube screen,it is because X-ray absorption of strontium.
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