Massachusetts DCR Lands — Collection Only With Written Authorization
rocks, minerals, fossils and natural resources
Core atlasMASSACHUSETTS CITY ROCKHOUNDING HUB
Worcester anchors central Massachusetts quarry, pegmatite and managed gem-mining contexts.
LOCAL INTERACTIVE MAP
Explore nearby Massachusetts records without leaving this hub. Status, coordinate precision and access evidence determine whether a pin is a realistic field destination.

Reference photograph used for rock and mineral identification. It is not from this exact location or a guarantee that collecting is permitted.
This hub uses Worcester as a geographic base, while the material mix is calculated from the records actually mapped around it.
Records are ordered by evidence status first, then distance. Open the detailed guide before treating any pin as a trip destination.
rocks, minerals, fossils and natural resources
Core atlassurface rocks/minerals and local geologic materials
Core atlasrhodonite, babingtonite, garnet, emery, granite and quarry minerals
Core atlasbeach stones, quartz, jasper, glacial cobbles and non-cultural natural material
Core atlasbabingtonite and associated traprock/quarry minerals
Core atlasrhodonite and manganese mineralization
Core atlasMineral resource occurrence
USGS ResearchMineral resource occurrence
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USGS ResearchIron
USGS ResearchMineral resource occurrence
USGS ResearchIron
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USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS Research