Labradorite
Labuntsovite group
Lacroixite
Laihunite
Laitakarite
Lamprophyllite
Långbanite
, Langbanite
Langbeinite
Langite
Lanthanite-(La)
Lanthanite-(Nd)
Laueite group
Laueite supergroup
Laumontite
Laurionite
Laurite
Lautenthalite
Lavendulan
Lavroffite
Lavrovite
Lawrencite
Lawsonite
Lazulite
Lazurite
Lead
Leadhillite
Legrandite
Lemmleinite group
Leonhardite
Lepidocrocite
Lepidolite series
Lepidomelane
Leucaugite
Leuchtenbergite
Leucite
Leucochalcite
Leucophoenicite
Leucophosphite
Leucosphenite
Leucoxene
Lévyne series
, Levyne series
Lévyne-Ca
, Levyne-Ca
Lévyne-Na
, Levyne-Na
Li Amphibole subgroup
Liandratite
Libethenite
Liebigite
Lievrite
Lillianite
Lime-bronzite
Limonite
Linarite
Lindbergite
Lindgrenite
Lindströmite
, Lindstromite
Linnaeite
Linnaeite subgroup
Lipscombite
Lithiophorite
Lithium Amphibole subgroup
Livingstonite
Lizardite
Loganite
Lokkaite-(Y)
Löllingite
, Lollingite
Lotalite
Lovozerite group
Löweite
, Loweite
Low quartz
Ludlamite
Ludlockite
Ludwigite
Lutecite
Lutecine
Luzonite