These Rocks and Minerals Science Kit were collected from all around the world to include as many varied geologies and lithologies as geologically possible. The science of earth and metals study will be made fascinating using tools like you see here.
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A great Mineral Identification and Rock Identification Guide
Some of the samples in this kit include:
conglomerate, banded sandstone, sandstone, quartz sandstone, arkose, shale, oil shale, limestone, oolitic limestone, fossil limestone, dolomite, rock gypsum, calcareous tufa, rock salt, bituminous coal, bauxite, galena, hematite, pyrolucite, magnetite, copper ore, pyrite.