Devin takes a quick look at some of the specimens in the Geology Room at the Heard Natural Science Museum and Wildlife Sanctuary in McKinney, TX
Showing posts with label heard science museum geology mckinney gemstone quartz agate crystal microcrystalline mineral igneous sedimentary metamorphic specimen chalcanthite copper sulfate dolomite granite halite salt. Show all posts
Showing posts with label heard science museum geology mckinney gemstone quartz agate crystal microcrystalline mineral igneous sedimentary metamorphic specimen chalcanthite copper sulfate dolomite granite halite salt. Show all posts
Saturday, January 21, 2012
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