| Quartzite | Kharagpur Hills (Munger), Jamui–Chakai ranges, Jamalpur | Used as building stone and as a heat-resistant material in industries |
| Pyrite | Rohtas (Amjhor hills, Simakoh, Mankoh), Upper Vindhyan belt | Major sulphur source; fertilizer industry; ~400 million tonnes estimated reserve |
| Soapstone | Shankarpur area (Jamui) | Used in cosmetics and paint manufacturing |
| Limestone | Kaimur Plateau (Rohtas), Rohtas hills | Main raw material for cement; also used in sugar, steel, chemical, paper industries |
| China Clay (Kaolin) | Bhagalpur, Banka, Munger (Letwa, Katoria, Baran) | Ceramics, insulators, cosmetics, paper, textile, fertilizer industries |
| Mica | Nawada, Jamui, Munger, Bhagalpur, Gaya | Electrical insulator; found in igneous & metamorphic rocks |
| Bauxite | Kharagpur Hills (Munger), parts of Rohtas | High-grade aluminium ore; ~1.5 million tonnes reserve |
| Slate | Kharagpur Hills (Munger) | Decorative and industrial use; famous for black & coloured slate |
| Quartz | Munger, Gaya, Nawada, Banka, Jamui | Glass, electronics, electrical goods, blast furnaces |
| Feldspar | Nawada, Jamui, Gaya | Enamelling utensils, insulators, artificial teeth |
| Sandstone | Kaimur Hills (Rohtas) | Construction stone, decorative purposes, glass industry |
| Galena (Lead Ore) | Banka district (mica belt) | Source of lead; used in paint, chemicals, nuclear installations |
| Lead | Bhagalpur district | Batteries, glass, ammunition, radiation shielding |
| Saltpeter (Shora) | Begusarai, Saran, Muzaffarpur, Siwan, Samastipur, E. Champaran | Fertilizers, explosives, chemicals; exported during East India Company period |
| Ornamental Granite | Bhagalpur, Banka, Munger, Nawada | Decorative stone; ~0.59 thousand metric tonne reserve |
| Precious & Semi-precious Stones | Banka (Katoria), Jamui (Charka stone area) | Jewellery and religious use |
| Tin | Deoraj & Kurkakhnd (Gaya) | Alloy production; obtained from cassiterite |
| Asbestos | Munger district | Fibrous mineral; used in construction materials |
| Sodium Salts | Gaya, Munger, Nawada, E & W Champaran, Saran, Muzaffarpur | Chemical industries |
| Mineral Oil & Natural Gas | Purnia and Katihar (NE Bihar) | Deep geological exploration underway; commercial potential |
| Gold | Jamui (Sono block), Rajgir hills | Low-grade ore (0.1–0.6 g/tonne); ~128.88 MT estimated reserve |
| Uranium | Gaya district | Nuclear reactor fuel |
| Reh (Alkaline Soil) | Patna, Gaya, Munger, NW Bihar | Affects soil fertility; alkaline nature |