Welcome to RANIBOS CRUSHING Machinery[email protected]
Manganese can color glass ancient egyptians and romans used pyrolusite, a mineral of manganese dioxide, to control the color of glass.Small additions decolorized glass by removing the greenish yellow discoloration caused by iron impurities, whereas larger additions colored the.
We are an innovative enterprise integrating R & D, production, sales and after-sales service. We have more than 60 years of experience in the field of crushing, beneficiation, sand making and building materials. We serve customers in more than 160 countries around the world.