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INDIA STATE FIELD GUIDE

Rockhounding in Lakshadweep

Quick answer

Lakshadweep currently has 44 sourced map records in this explorer. Lakshadweep is not a conventional gemstone-rockhounding destination: its exposed geology is overwhelmingly coral-derived carbonate. CGWB documents calcareous beach/dune sand, coral fragments, hard coral limestone, reef-facies grit/conglomerate and lagoon sand/gravel over older limestone, with buried volcanic rocks inferred beneath the Lakshadweep Ridge. Because coral reefs and multiple marine areas are protected, this guide is geology-viewing/reference only and enables no collecting navigation.

Open Lakshadweep in the interactive mapView India map
44mapped localities
0permission required
16status not confirmed
28viewing/protected

Materials documented in Lakshadweep

Calcareous sand 15 Coral limestone 14 Reef sediment 12 Coral gravel 11 Coral sand 11 Calcarenite 10 Lagoon sand 10 Beach sediment 5 Coral rubble 5 Reef debris 3 Coral-derived sand 2 Coralline grit 2 Gritty conglomerate 2 Coral-derived sediment 2

Why Lakshadweep is a coral-carbonate geology guide rather than a collecting map

CGWB describes the islands as recent coral sands and fragments over older highly permeable coral limestone, with beach, dune, reef and lagoon facies. Lakshadweep Administration documents distinctive storm-coral deposits at Chetlat, Kiltan and Kalpeni and major lagoons around many islands. Environment & Forest authorities protect coral reefs and several marine conservation areas, so the explorer maps the geology conservatively without implying that coral, reef rubble or coastal sediment may be collected.

Central Ground Water Board — Dynamic Ground Water Resources of UT of Lakshadweep, 2024 ↗

Mapped locality guides

Agatti Coral Sand–Limestone Aquifer ContextCalcareous sand, Coral limestone, CalcareniteCollecting status not confirmedAgatti Western Lagoon Sediment ContextLagoon sand, Coral gravel, Reef debrisReference / viewing onlyAgatti Southern Calcareous Sand TailCalcareous sand, Beach sediment, Coral-derived sandReference / viewing onlyAgatti Reef-facies Carbonate ContextCoralline grit, Gritty conglomerate, Coral limestoneReference / viewing onlyAmini Coral Limestone–Sand Aquifer ContextCoral limestone, Coral sand, CalcareniteCollecting status not confirmedAmini Central Depression Calcareous Sediment ContextCalcareous sand, Coral-derived sedimentCollecting status not confirmedAmini–Pitti Submerged Sand-bank ContextSubmerged sand bank, Calcareous sand, Reef sedimentReference / viewing onlyAmini Lagoon–Reef Sediment ContextLagoon sand, Coral gravel, Reef sedimentReference / viewing onlyAndrott Coral Limestone–Sand ContextCoral limestone, Coral sand, CalcareniteCollecting status not confirmedAndrott Eastern Calcareous Beach ContextCalcareous sand, Beach sediment, Coral fragmentsReference / viewing onlyAndrott Small-lagoon Sediment ContextLagoon sand, Coral gravel, Carbonate sedimentReference / viewing onlyBitra Coral Sand–Limestone ContextCoral sand, Coral limestone, CalcareniteCollecting status not confirmedBitra Lagoon Carbonate Sediment ContextLagoon sand, Coral gravel, Reef debrisReference / viewing onlyBitra Reef Shingle–Grit ContextCoral shingle, Coralline grit, Gritty conglomerateReference / viewing onlyChetlat Coral Limestone–Sand ContextCoral limestone, Calcareous sand, CalcareniteCollecting status not confirmedChetlat Eastern Storm Coral-delta ContextStorm coral debris, Coral rubble, Calcareous sedimentReference / viewing onlyChetlat Southern Storm-debris ContextStorm coral debris, Coral rubble, Beach sedimentReference / viewing onlyKadmat Coral Limestone–Sand ContextCoral limestone, Coral sand, CalcareniteCollecting status not confirmedKadmat Western Lagoon Sediment ContextLagoon sand, Coral gravel, Reef sedimentReference / viewing onlyKadmat Western Sand-ridge ContextCalcareous sand, Dune/berm sand, Coral-derived sedimentCollecting status not confirmedKadmat Southern Sand-bank ContextCalcareous sand, Sand bank, Beach sedimentReference / viewing onlyKalpeni Coral Limestone–Sand ContextCoral limestone, Coral sand, CalcareniteCollecting status not confirmedKalpeni Lagoon Carbonate Sediment ContextLagoon sand, Coral gravel, Reef sedimentReference / viewing onlyKalpeni Eastern–Southeastern Storm Coral BankStorm coral boulders, Coral rubble, Carbonate debrisReference / viewing onlyCheriyam Coral-island ContextCoral limestone, Calcareous sand, Reef sedimentReference / viewing onlyKalpeni Tilakkam–Pitti Islet Carbonate ContextCoral sand, Reef debris, Calcareous sedimentReference / viewing onlyKavaratti Coral Limestone–Sand Aquifer ContextCoral limestone, Coral sand, CalcareniteCollecting status not confirmedKavaratti Western Lagoon Sediment ContextLagoon sand, Coral gravel, Reef sedimentReference / viewing onlyKavaratti Wave-cut Coral Limestone Terrace ContextCoral limestone, Gritty limestone, Wave-cut carbonateCollecting status not confirmedKavaratti Hard Coral Limestone Subsurface ContextHard coral limestone, Coral sand, Freshwater-lens aquiferCollecting status not confirmedKiltan Coral Limestone–Sand ContextCoral limestone, Coral sand, CalcareniteCollecting status not confirmedKiltan Northern Storm-beach ContextStorm beach sediment, Coral rubble, Calcareous sandReference / viewing onlyKiltan Southern Storm-beach ContextStorm beach sediment, Coral rubble, Calcareous sandReference / viewing onlyKiltan Lagoon Carbonate Sediment ContextLagoon sand, Coral gravel, Reef sedimentReference / viewing onlyMinicoy Coral Limestone–Sand ContextCoral limestone, Coral sand, CalcareniteCollecting status not confirmedMinicoy Western Lagoon Sediment ContextLagoon sand, Coral gravel, Reef sedimentReference / viewing onlyMinicoy Northern Lagoon-entrance GeomorphologyReef sediment, Coral gravel, Calcareous sandReference / viewing onlyMinicoy Eastern Calcareous Beach ContextCalcareous sand, Beach sediment, Coral-derived sandReference / viewing onlyBangaram Coral-island ContextCoral limestone, Calcareous sand, Reef sedimentCollecting status not confirmedBangaram Shallow Lagoon–Reef ContextLagoon sand, Coral gravel, Reef materialReference / viewing onlyThinnakara Coralline-bank ContextCoralline bank, Calcareous sand, Reef sedimentReference / viewing onlyParali Islets Coralline-bank ContextCoralline bank, Coral sand, Reef sedimentReference / viewing onlyDr. Salim Ali Pitti Bird Sanctuary GeomorphologyCoral islet, Sand bank, Reef seascapeReference / viewing onlyLakshadweep Ridge Buried Volcanic Basement ContextBuried volcanic rocks, Coral carbonate platform, Marine sedimentsCollecting status not confirmed

Access and collecting rules

Lakshadweep is a fragile coral-atoll system. Coral and coral reefs are protected by coastal/wildlife/environmental controls, and the UT maintains marine protected areas. Geological occurrence is not collecting permission; do not remove live/dead coral or disturb reef material, and verify current island-entry and material-removal rules before taking any natural specimen.

Lakshadweep Administration — Environment & Forest / coral-reef and coastal protection ↗

Dataset last reviewed: September 8, 2026. Coordinates are reference points; some mineral databases warn that locality coordinates may be generalized.

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