Karyinite

Formation: rough
Location: Langban, Värmland, Sweden
Size: KS 4

Kayrobertsonite

Formation: xx
Location: Hagendorf South Pegmatite, Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany
Size: micro-mount
(Type locality)

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Kazakovite

Formation: rough
Location: Karnasurt Mt, Lovozero Massif, Murmanskaya Oblast', Northern Region, Russian Federation
Size: micro-mount
(Type locality)

Kermesite

Formation: xx
Location: Josef Mine, Pezinok, Brstislava, Slovakia (Slovak Republic)
Size: KS 4

Keyite

Formation: xx
Location: Tsumeb, Otjikoto Region, Namibia
Size: micro-mount
(Type locality)

Keyite

Formation: xx
Location: Tsumeb, Otjikoto Region, Namibia
Size: micro-mount
(Type locality)

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Khinite

Formation: xx
Location: Bird Nest drift, Otto Mountain, Baker, Soda Mts, Silver Lake District, San Bernardino Co., California, United States
Size: micro-mount

Khinite

Formation: xx
Location: Bird Nest drift, Otto Mountain, Baker, Soda Mts, Silver Lake District, San Bernardino Co., California, United States
Size: micro-mount

Kinoshitalite

Formation: (xx)
Location: Langban, Värmland, Sweden
Size: KS 2

Kobokoboite

Formation: xx
Location: Kobokobo pegmatite, Mwenga, South Kivu, Congo
Size: KS 4
(Type locality)

Kobokoboite

Formation: xx
Location: Kobokobo pegmatite, Mwenga, South Kivu, Congo
Size: micro-mount
(Type locality)

Kristiansenite

Formation: xx
Location: Heftetjern Pegmatit, Tördal, Telemark, Norway
Size: KS 2
(Type locality)

Kröhnkite

Formation: xx
Location: La Vendida Mine, Sierra Gorde, Chile
Size: KS 6

Kröhnkite

Formation: xx
Location: La Vendida Mine, Sierra Gorde, Chile
Size: KS 6

Kröhnkite

Formation: xx
Location: La Vendida Mine, Sierra Gorde, Chile
Size: KS 6

Kupletskite

Formation: (xx)
Location: Lysebo, Farris, Hedrum , Larvik, Vestfold, Norway
Size: KS 4

Kupletskite

Formation: (xx)
Location: Lysebo, Farris, Hedrum , Larvik, Vestfold, Norway
Size: KS 4

Kupletskite

Formation: (xx)
Location: Lysebo, Farris, Hedrum , Larvik, Vestfold, Norway
Size: KS 4

Kyrgyzstanite

Formation: (xx)
Location: Christiana Mine, Kamariza Mines, Agios Konstantinos, Lavrion District Mines, Lavrion District, Attikí Prefecture, Greece
Size: KS 2

Kyrgyzstanite

Formation: (xx)
Location: Christiana Mine, Kamariza Mines, Agios Konstantinos, Lavrion District Mines, Lavrion District, Attikí Prefecture, Greece
Size: KS 2

Lahnsteinite

Formation: xx
Location: Hilarion Mine, Hilarion area, Kamariza Mines, Agios Konstantinos, Lavrion District Mines, Lavrion District, Attikí Prefecture, Greece
Size: KS 2

Landauite

Formation: rough
Location: Babuna Valley, Jakupica Mts, Nežilovo, Veles, Macedonia, The Former Yugoslav Republic of
Size: KS 2

Lanmuchangite

Formation: xx
Location: Roszdan, Kavadarci, Roszdan, Macedonia, The Former Yugoslav Republic of
Size: KS 4

Lanmuchangite

Formation: xx
Location: Roszdan, Kavadarci, Roszdan, Macedonia, The Former Yugoslav Republic of
Size: KS 2

Lanthanite-(Ce)

Formation: rough
Location: Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden
Size: KS 2

Lanthanite-(Ce)

Formation: rough
Location: Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden
Size: KS 2

Lanthanite-(Ce)

Formation: (xx)
Location: Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden
Size: KS 4

Lasalite

Formation: (xx)
Location: Vanadium Queen Mine, La Sal Creek Canyon, San Juan Co., Utah, United States
Size: micro-mount

Lasalite

Formation: (xx)
Location: Vanadium Queen Mine, La Sal Creek Canyon, San Juan Co., Utah, United States
Size: micro-mount

Leonardsenite

Formation: rough
Location: Valley of Ten Thousand Smokes, Dillingham Borough, Alaska, United States
Size: micro-mount

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Leonardsenite

Formation: rough
Location: Valley of Ten Thousand Smokes, Dillingham Borough, Alaska, United States
Size: micro-mount

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Lindackerite

Formation: xx
Location: Fenugu Sibiri Mine, Gonnosfanadiga, Medio Campidano Province, Sardinia, Italy
Size: KS 2

Lindackerite

Formation: xx
Location: Fenugu Sibiri Mine, Gonnosfanadiga, Medio Campidano Province, Sardinia, Italy
Size: KS 2

Magnesiokoritnigite

Formation: xx
Location: Torrecillas Mine, Iquique, Atacama, Chile
Size: KS 4
(Type locality)

Magnesiokoritnigite

Formation: xx
Location: Torrecillas Mine, Iquique, Atacama, Chile
Size: KS 2
(Type locality)

Magnesiostaurolite

Formation: (xx)
Location: Pratolungo, Isasca valley, Venasca, Varaita Valley, Cuneo Province, Piedmont, Italy
Size: micro-mount

Magnesiostaurolite

Formation: (xx)
Location: Pratolungo, Isasca valley, Venasca, Varaita Valley, Cuneo Province, Piedmont, Italy
Size: KS 2

Magnesiovoltaite

Formation: xx
Location: Alcaparrosa Mine, erritos Bayos, Calama, El Loa Province, Antofagasta Region, Chile
Size: micro-mount
(Type locality)

Magnesiovoltaite

Formation: xx
Location: Alcaparrosa Mine, erritos Bayos, Calama, El Loa Province, Antofagasta Region, Chile
Size: micro-mount
(Type locality)

Mahnertite

Formation: xx
Location: Fenugu Sibiri Mine, Gonnosfanadiga, Medio Campidano Province, Sardinia, Italy
Size: KS 2

Mahnertite

Formation: xx
Location: Fenugu Sibiri Mine, Gonnosfanadiga, Medio Campidano Province, Sardinia, Italy
Size: KS 2

Manganberzeliite

Formation: (xx)
Location: Langban, Värmland, Sweden
Size: KS 4
(Type locality)

Mangani-Obertiite

Formation: xx
Location: Caspar Quarry, Bellerberg, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany
Size: micro-mount
(Type locality)

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Mangani-Obertiite

Formation: xx
Location: Caspar Quarry, Bellerberg, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany
Size: micro-mount
(Type locality)

Manganiakasakaite-(La)

Formation: rough
Location: Maniglia Mt. Mine, Bellino, Varaita Valley, Cuneo Province, Piedmont, Italy
Size: micro-mount
(Type locality)

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Manganite

Formation: xx
Location: Kvivikdalen, Kristiansand, Vest-Agder, Norway
Size: KS 2

Manganite

Formation: xx
Location: Kvivikdalen, Kristiansand, Vest-Agder, Norway
Size: KS 2

Mangano-ferri-eckermannite

Formation: (xx)
Location: Tanohata mine, Tanohata-mura, Shimohei-gun, Iwate, Japan
Size: micro-mount
(Type locality)

Mangano-ferri-eckermannite

Formation: (xx)
Location: Tanohata mine, Tanohata-mura, Shimohei-gun, Iwate, Japan
Size: micro-mount
(Type locality)

Manganoneptunite

Formation: (xx)
Location: Shkatulka pegmatite, Mt. Alluaiv, Lovozero, Kola,, Russian Federation
Size: KS 2