Bihar is the principal holder of country's pyrite resources and possesses 95% of resources.The important mineral occurrences in Bihar are;
- Limestone is found in Kaimur (Bhabhua), Monghyr and Rohtas districts;
- Nawada district is rich in Mica;
- Quartz/ silica sand is found in Bhagalpur, Jamui, Monghyr and Nalanda districts;
- Quartzite is obtained from Lakhisarai, Monghyr and Nalanda districts.
- Talc/ soapstone/ steatite is found in Monghyr district.
- Bauxite occur in Monghyr and Rohtas districts.
- China clay in Bhagalpur and Monghyr districts.
- Felspar is found in Gaya, Jamui and Monghyr districts;
- Fireclay is found n Bhagalpur and Purnea districts;
- Jamui district has reserves of Gold;
- Granite is obtained from Bhagalpur, Gaya, Jahanabad and Jamui districts;
- Iron ore (hematite) occur in Bhagalpur district;
- Iron ore (magnetite) is obtained from Gaya and Jamui districts;
- Lead-zinc is found in Banka and Rohtas districts and;
- Pyrites is obtained in large amount from Rohtas district;
- GSI has carried out exploration for gold in Korwadih, Jhajha and Jamui Districts.
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Sources: India Minerals Year Book-2013: Bihar