Plagioclase
(Na,Ca)[(Si,Al)AlSi2 ]O8
Feldspar (group)
Anorthite , Albite , Bytownite , Labradorite , Andesine , Albite, Ca , Oligoclase
Open
Plagioclase feldspar displaying cleavage
©
Photo via USGS, Public Domain
19
6
CL, EDS
Aluminosilicate , Subgroup
Platinum
Pt
—
—
Open
Crystals of pure platinum grown by gas phase transport
©
Photo by Periodictableru (via Wikimedia Commons), CC-BY-3.0
14
1
SXES
Mineral , Metal , Element
Plumbogummite
PbAl3 (PO4 )(PO3 OH)(OH)6
Minerals containing PO4 , Minerals containing OH , Plumbogummite (group)
—
Open
Plumbogummite from the Yangshuo Mine, Guangxi Province, China. Specimen size 4 cm.
©
Photo by Strickja (via Wikimedia Commons), Public Domain
9
1
CL/SEM
Mineral, Orthophosphate , Phosphate , Hydroxide
Pollucite
Cs(Si2 Al)O6 ·n H2 O
Minerals containing H2O , Zeolite (group)
—
Open
Pollucite from Paprok, Afghanistan. Galerie de Minéralogie et de Géologie du Muséum national d'histoire naturelle à Paris.
©
Photo by Marie-Lan Taÿ Pamart (via Wikimedia Commons), CC-BY 4.0
9
3
Reflectance
Mineral, Hydrated , Aluminosilicate
Polylithionite
KLi2 AlSi4 O10 F2
Mica
Polylithionite-1M
Open
Polylithionite (white) on serandite (salmon), from Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
©
Photo by Parent Géry (via Wikimedia Commons), CC-BY-SA 3.0
2
0
PL/XL
Mineral, Aluminosilicate
Potassium aluminium fluoride
K3 AlF6
—
—
4
0
IR
Halide , Synthetic, Compound
Potassium bromide
KBr
—
—
Open
Crystals of potassium bromide
©
Photo by Bartłomiej Bulicz (via Wikimedia Commons), CC-BY-SA 3.0
11
0
PL, Unknown
Halide , Synthetic , Compound
Potassium chloride
KCl
—
Sylvite
Open
Sylvite (red) with halite (clearish grey). Field of view: 2.6 cm across.
©
Photo by James St. John (https://www.flickr.com/photos/47445767@N05/31861250380/), CC-BY 2.0
10
0
PL
Halide , Synthetic , Compound
Potassium hydroxide
KOH
—
—
5
0
IR
Hydroxide , Compound
Potassium iodide
KI
—
—
Open
Crystals of potassium iodide
©
Photo by Ondřej Mangl (via Wikimedia Commons), Public Domain
1
0
Unknown
Halide , Synthetic , Compound
Potassium magnesium fluoride
KMgF3
Perovskite (structure)
Parascandolaite
4
0
IR, Unknown
Halide , Synthetic , Compound
Potassium strontium vanadate
K2 Sr(VO3 )4
—
—
8
0
CL, PL
Compound, Synthetic
Powellite
CaMoO4
Minerals containing Mo[VI]O4 , Scheelite (group) , Calcium molybdate
—
Open
Powellite from Nasik District, Maharashtra, India. Size: 5 x 3.7 x 3.3 cm.
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
18
2
CL/SEM, SXES
Mineral, Molybdate
Praseodymium fluoride
PrF3
REE fluoride
—
12
1
CL/SEM
REE, Halide , Synthetic , Compound
Praseodymium ultraphosphate
PrP5 O14
REE ultraphosphate
—
18
2
CL/SEM, SXES
Phosphate , REE, Synthetic , Compound , Ultraphosphate