Kurchatovite
CaMgB2 O5
—
—
3
0
PL, PL/XL
Mineral, Borate
Kyanite
Al2 SiO5
Aluminium silicate, Al2SiO5 , Al2SiO5 (group)
—
Open
Kyanite specimen from Ticino, Switzerland
©
Photo by Chip Clark, via Smithsonian National Museum of Natural History
23
5
CL, CL/SEM, EDS
Mineral, Aluminosilicate
Labradorite
(Ca,Na)(Si,Al)4 O8
Plagioclase
—
Open
Photograph of polished labradorite
©
Image by Linas Juozėnas (via Wikimedia Commons), CC-BY-SA 4.0
7
0
CL/OM, PLE
Aluminosilicate , Variety
Lanthanum aluminate
LaAlO3
Perovskite (structure)
—
7
0
PL
REE, Synthetic , Compound
Lanthanum fluoride
LaF3
REE fluoride
Fluocerite-(La) , Fluocerite
Open
Crystal structure of lanthanum trifluoride
©
Image by Orci on wikimedia.org, CC-BY-SA 3.0
14
1
CL/SEM
REE, Halide , Synthetic , Compound
Lanthanum hexaboride
LaB6
—
—
Open
Lanthanum hexaboride in powder form
©
(C) 2022 Ратислав (Ratyslav), via Wikimedia Commons. CC-BY-SA-4.0
1
1
SXES
REE, Synthetic , Boride , Compound
Lanthanum lithium antimony oxide
La2 LiSbO6
—
—
1
0
PL
REE, Synthetic , Compound , Double perovskite
Lanthanum magnesium titanate
La2 MgTiO6
—
—
1
0
PL
REE, Synthetic , Titanate , Compound , Double perovskite
Lanthanum monophosphate
LaPO4
REE phosphate
Monazite-(La)
5
0
PL
Phosphate , REE, Orthophosphate , Compound
Lanthanum ultraphosphate
LaP5 O14
REE ultraphosphate
—
9
2
CL/SEM, SXES
REE, Phosphate , Synthetic , Compound , Ultraphosphate
Laumontite
CaAl2 Si4 O12 ·4H2 O
Minerals containing H2O
—
1
0
PL
Mineral, Hydrated , Aluminosilicate
Lazurite
Na7 Ca(Al6 Si6 O24 )(SO4 )(S3 )·H2 O
Minerals containing SO4 , Sodalite (group) , Minerals containing H2O
—
Open
Crystals of lazurite with pyrite on calcite, from Ladjuar Medam, Sar-e Sang, Koksha Valley, Badakhshan Province, Afghanistan
©
Photo (C) 2011 Parent Géry (via Wikimedia Commons), CC-BY-SA 3.0
10
0
PL
Mineral, Sulphate , Hydrated , Aluminosilicate
Lead
Pb
—
—
Open
Native lead specimen from Långban, Filipstad, Värmland, Sweden
©
Photo by Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
16
1
SXES
Mineral , Metal , Element
Lead sulphate
PbSO4
—
Anglesite
Open
Anglesite specimen from Touissit, Oujda-Angad Province, Oriental Region, Morocco
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
9
0
PL, PL/UV
Sulphate , Synthetic , Compound
Lead sulphide
PbS
—
Galena
1
0
PL/UV
Sulphide , Synthetic , Compound