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