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VESUVIANITE
http://marylandminerals.com/wp-content/uploads/2016/08/howardfannievesuv1.jpg
Fannie Frost Quarry (Howard County), Jake Slagle Collection, Jake Slagle photographer
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MUSCOVITE
http://marylandminerals.com/wp-content/uploads/2016/08/howardollmdmusc-copy1.jpg
Old Maryland Mica Mine (Howard County), Jake Slagle Collection, Jake Slagle photographer
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BERYL
http://marylandminerals.com/wp-content/uploads/2016/08/howardwatersideberyl1.jpg
"Waterside Project" (Howard County), Jake Slagle Collection, Jake Slagle photographer