Labradorite = Plagioclase

Lamprobolite = Hornblende - Brown

Lapislazuli = Hauyne

Lawsonite

Lazurite = Hauyne

Lepidolite

Lepidomelane = see Biotite

Leucite

Leucoxene

Limonite: see Goethite

Limonitization

Lizardite = Serpentine

Loadstone = Magnetite

Lussatine = Cristobalite

Lussatite = Cristobalite

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