This printable word search puzzle contains 21 hidden words in a 24x24 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
Mariposite
Anthracite
Sandstone
Quartzite
Limestone
Pegmatite
Iron Ore
Obsidian
Diamond
Granite
Breccia
Scoria
Pumice
Marble
Gneiss
Basalt
Slate
Shale
Flint
Chert
Coal