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Lomonosovite: Na5Ti2O2(Si2O7)(PO4)
Comments: Aegerine schist with reddish crystalline grains of lomonosovite. Location: Ilimaussaq, Kvanefjeld, Greenland. Scale: Picture size 0.5 cm. © John Veevaert
Lorenzenite: Na2Ti2Si2O9 Orthoclase: KAlSi3O8
Comments: Striated, dark violet crystal of lorenzenite in cream-colored orthoclase. Location: Khibiny Massif, Kola Peninsula, Russia. Scale: 1.3 x 1.2 cm. © John Veevaert
Ludlamite: (Fe++,Mg,Mn)3(PO4)2·4(H2O)
Comments: crystal group of Ludlamite. Location: Huanuni Mine, Oruro Department, Bolivia. Scale: Crystal size 1.5 x 1 cm. © John Veevaert
Ludlockite: (Fe++,Pb)As+++++2O6
Comments: Acicular crystals of red-orange ludlockite on quartz and chalcocite. Location: Tsumeb Mine, Tsumeb, Namibia. Scale: Crystal size 0.4 cm. © John Veevaert
Ludwigite: Mg2Fe+++BO5
Comments: Limonitic matrix with blue crystals of ludwigite. Location: Simms Pass, Lemhi County, Idaho, USA. Scale: Crystal size 9 mm. © John Veevaert
Lulzacite: Sr2Fe++(Fe++,Mg)2Al4(PO4)4(OH)10
Comments: Dark gray siderite with grayish green lulzacite. Location: St. Aubindes Chateaux, Loire, France. Scale: 1.7 x 1.4 cm. © John Veevaert
Magnesite: MgCO3
Comments: Magnesite crystal group. The crystals have rhombic habit. The largest on this specimen is 3.7 cm across. Location: Brumado Mine, Bahia, Brazil. Scale: Photo by John Veevaert. © John Veevaert
Makatite: Na2Si4O8(OH)2·4(H2O)
Comments: Thin white bladed crystals of makatite. Location: Aris Phonolite, S. of Windhoek, Namibia. Scale: 5.5 x 3 cm. © John Veevaert
Malayaite: CaSnSiO5 = CaSnOSiO4
Comments: Pale bluish colored malayaite under visible and SWUV light. Location: Red-a-Ven Mine, Meldon, Okehampton, Devon, Great Britain. Scale: 3.7 x 2 cm. © John Veevaert
Manandonite: Li2Al4[(Si2AlB)O10](OH)8
Comments: Massive manandonite with crystals to 2 mm. Location: Manandona River, Sahatany Valley, Madagascar. Scale: 2.2 x 1.3 cm. © John Veevaert