| Actinolite - 1'Agate' - 19Albite - 6'Albite-Anorthite Series' - 5, 6, 18'Amethyst' - 19Andalusite - 19'Anthracite' - 19Biotite - 19'Bituminous Coal' - 19Calcite - 1, 13'Carnelian' - 19'Chalcedony' - 19Chloritoid - 19Copper - 19'Damourite' - 19'Garnet Group' - 5, 6Graphite - 19Hematite - 19'Jasper' - 19'K Feldspar' - 4, 9, 23Kyanite - 19Lazurite - 19Magnetite - 19Microcline - 5, 19 | 'Milky Quartz' - 6'Moss Agate' - 19Muscovite - 4, 5, 17, 19'Oligoclase' - 5, 19'Opal-AN' - 19'Perthite' - 5, 6, 18'Petrified Wood' - 19, 13Phlogopite - 1, 13Pyrite - 5Pyrolusite - 19Pyrrhotite - 5Quartz - 4, 5, 6, 9, 15, 18, 20, 23'Rock Crystal' - 9Romanèchite - 19Rutile - 19'Sardonyx' - 19'Serpentine Group' - 19, 13Sillimanite - 19'Smoky Quartz' - 6Spessartine - 19Sulphur - 19'Tourmaline' - 4, 9Vermiculite - 19 |