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INDIA STATE FIELD GUIDE

Rockhounding in Bihar

Quick answer

Bihar currently has 78 sourced map records in this explorer. Bihar has more rock and mineral diversity than its alluvial plains suggest. Current IBM data records major pyrite resources plus quartz/silica, quartzite, mica, feldspar, gold, magnetite, lead-zinc, bauxite, china clay and talc occurrences, while GSI/Bihar records add REE-bearing pegmatites and named hard-rock mapping areas. The explorer separates mineral occurrence from legal collecting access.

Open Bihar in the interactive mapView India map
78mapped localities
0permission required
70status not confirmed
8viewing/protected

Materials documented in Bihar

Magnetite 15 Pegmatite 14 Ilmenite 13 Quartz 12 Mafic rocks 12 Quartzite 10 Feldspar 8 Granite 8 Banded gneiss 6 REE 5 Mica pegmatite 5 Granite gneiss 4 Quartz schist 4 Rare metals 3

Why Bihar has important pyrite, pegmatite, quartz and critical-mineral geology

Bihar’s southern and southwestern margins expose Precambrian crystalline rocks, the Bihar Mica Belt and Vindhyan strata. IBM reports that Bihar holds most of India’s pyrite resources, while current exploration includes Rohtas glauconite blocks and the Genjana nickel–chromium–PGE block in Gaya. GSI mapping around Banka–Jamui–Munger also documents REE/RM-bearing pegmatite research.

Indian Bureau of Mines — Indian Minerals Yearbook 2024: Bihar ↗

Mapped locality guides

Amjhore Pyrite DepositPyrite, ShaleReference / viewing onlyChutia–Nauhatta Glauconite BlockGlauconite, Quartz, Feldspar, BiotiteReference / viewing onlyPipradih–Bhurwa Glauconite BlockGlauconite, Potash, SandstoneReference / viewing onlyGenjana Nickel–Chromium–PGE BlockNickel, Chromium, Platinum-group elements, Meta-pyroxeniteReference / viewing onlyGaura Pegmatite / REE Study AreaREE, Pegmatite, Quartz, FeldsparCollecting status not confirmedNayadih Pegmatite / REE Study AreaREE, Rare metals, PegmatiteCollecting status not confirmedSuiabathan Pegmatite / REE Study AreaREE, Rare metals, PegmatiteCollecting status not confirmedSangrampur Pegmatite / REE Study AreaREE, Rare metals, PegmatiteCollecting status not confirmedPindra Banded-Gneiss AreaBanded gneiss, Quartz, Feldspar, BiotiteCollecting status not confirmedMeheshmara Banded-Gneiss AreaBanded gneiss, Granite, Quartz, FeldsparCollecting status not confirmedBhitiya Banded-Gneiss AreaBanded gneiss, Quartz, FeldsparCollecting status not confirmedHardiya Banded-Gneiss AreaBanded gneiss, Pegmatite, QuartzCollecting status not confirmedLilabaran Banded-Gneiss AreaBanded gneiss, PegmatiteCollecting status not confirmedDhanuchi Gneiss / Allanite ContextAllanite, Banded gneiss, Pegmatite, REECollecting status not confirmedLugain–Mathabari Bhemiya Gneiss SectionGneiss, Amphibolite, PegmatiteCollecting status not confirmedKatsakra–Jhilua Geological & Geochemical Survey AreaGranite, Gneiss, Pegmatite, Geochemical surveyCollecting status not confirmedPindara–Biharbari–Baghmari Geological BeltMetamorphic rocks, Granite-gneiss, Mineral exploration contextCollecting status not confirmedWestern Kharagpur Hills Geological AreaQuartzite, Granite-gneiss, Metasediments, PegmatiteCollecting status not confirmedKharagpur Hills Lead Reconnaissance AreaLead, Galena, Hard-rock geologyReference / viewing onlyJamui Subdivision Hard-Rock Geology AreaGranite, Gneiss, Quartzite, PegmatiteCollecting status not confirmedRajauli Rocky Upland & Mica-Pegmatite ContextMica pegmatite, Quartzite, Granite gneiss, Quartz schistCollecting status not confirmedSirdala Mica-Pegmatite UplandMica pegmatite, Quartzite, Granite gneiss, Quartz schistCollecting status not confirmedGovindpur Mica-Pegmatite UplandMica pegmatite, Quartzite, Granite gneiss, Quartz schistCollecting status not confirmedKauakol Mica-Pegmatite UplandMica pegmatite, Quartzite, Granite gneiss, Quartz schistCollecting status not confirmedGaya–Jehanabad Magnetite–Ilmenite Study AreaMagnetite, Ilmenite, Vanadium, TitaniumReference / viewing onlyChhotanagpur Gneissic Complex — GayaQuartz, Granite-gneiss, Mica schist, PegmatiteCollecting status not confirmedShergotty Martian Meteorite Fall SiteMartian meteorite, Maskelynite, Pyroxene, PlagioclaseReference / viewing onlyShankarpur Soapstone / Steatite AreaSoapstone, Steatite, TalcReference / viewing only

Access and collecting rules

Bihar combines the Rohtas Vindhyan mineral belt, Jamui gold–magnetite–quartz geology, the Bihar Mica Belt/pegmatites in the southern districts, Kharagpur Hills hard-rock geology and newer critical-mineral exploration blocks. Geological occurrence does not establish public collecting rights; mines, auction blocks, forest areas and exploration targets remain reference-only unless access is independently established.

Government of Bihar — Mines & Geology: Acts and Rules ↗

Dataset last reviewed: September 5, 2026. Coordinates are reference points; some mineral databases warn that locality coordinates may be generalized.

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