Basalts Mica China Clays Limestones
Jet Amber Tektite Meerschaum
Chondrite Achondrite Tektite Stony Iron
Igneous Rocks Sedimentary Rocks Extra Terrestrial Rocks Metamorphic Rocks
Amber Potash Rock Mudstone Rock Gypsum
Jet Flint Chalk Peat
Meerschaum Lapis Lazuli Tektite Jet
Anthracite Lignite Bitumous Coal Jet