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