[vc_row][vc_column][ultimate_heading main_heading=”M – Glossary” heading_tag=”h2″][/ultimate_heading][vc_empty_space][/vc_column][/vc_row][vc_row][vc_column width=”1/3″][vc_column_text]Macroscopic property
Mafic
Magma
Major element
Malleable
Mammillary
Mannebach twin
Marble
Marl
Mass number
Mass spectrometry
Massive
Matrix
Matte
Mechanical weathering
Melatope
Mesodesmic
Metabasite
Metal (element)
Metallic bond
Metallic element
Metallic luster
Metamorphic
Metamorphic facies
Metamorphic grade
Metamorphic series
Metamorphic zone
Metamorphism
Metapelite
Metapsammite
Metasomatism
Metastable (thermodynamics)
Metastable equilibrium[/vc_column_text][/vc_column][vc_column width=”1/3″][vc_column_text]Micaceous
Micrite
Microscopic property
Migmatite
Miller index (indices)
Mineral
Mineral class
Mineral formula
Mineral group
Mineralogy
Minor element
Mirror plane
Miscibility
Miscibility gap
Mississippi valley-type deposit
Mode (igneous rock)
Mohs’ hardness scale
Molar volume
Mole
Monochromatic radiation
Monoclinic
Monoclinic (system)
Monovalent
Monzonite
Mossbauer spectroscopy
Mother lode
Motif
Mud
Mudstone[/vc_column_text][/vc_column][vc_column width=”1/3″][/vc_column][/vc_row]