Crystal Directory A-Z
M
- Machu Picchu Stone
- Magnesite
- Magnetite
- Mahogany Obsidian
- Malachite
- Mangano Calcite
- Maori Greenstone
- Marble
- Marcasite
- Marialite
- Mariposite
- Matlockite
- Mayanite
- Medusa Quartz
- Melanite
- Melanite Garnet
- Merlinite
- Meteorite
- Milky Quartz
- Moldavite
- Mookaite
- Moonstone
- Mordenite
- Morganite
- Morion Quartz
- Morrisonite
- Moss Agate
- Moss Jasper
- Mozambique Garnet
- Mugglestone
- Muscovite
- Mystic Topaz