Pentahydroborite
CaB2 O(OH)6 ·2H2 O
Minerals containing H2O , Minerals containing OH
—
Open
Colorless crystals of the rare borate mineral pentahydroborite from one of the few localities known worldwide (Solongo, Buryatia, Eastern Siberia, Russian Federation)
Photo by David Hospital (via Wikimedia Commons), CC-BY-SA 4.0
0
4
0
PL/XL
Hydroxide , Mineral, Hydrated , Borate
Pentlandite
(Fe,Ni)9 S8
—
—
2
0
2
EDS
Mineral, Sulphide
Periclase
MgO
Periclase (group) , Magnesium oxide
—
Open
Periclase specimen from Stassfurt, Saxony, Germany
Photo courtesy Smithsonian National Museum of Natural History
0
38
2
CL/SEM
Mineral, Simple oxide
Periclase (group)
M II O, M =Ni,Mn,Mg,Fe
—
Periclase , Bunsenite , Manganosite , Wüstite
0
38
2
CL/SEM
Simple oxide , Group
Perovskite (structure)
ABX3
—
Lanthanum aluminate , Yttrium aluminium perovskite , Strontium titanate , Barium titanate , Lead titanate , Potassium magnesium fluoride , Lithium tantalate , YAP
0
26
5
CL/SEM, SXES
—
Petalite
LiAlSi4 O10
—
—
Open
Petalite from Araçuaí, Jequitinhonha Valley, Minas Gerais, Brazil. Approximately 12 cm x 9 cm.
Photo by Stephen E. Fritz (via Wikimedia Commons), CC-BY 3.0
2
10
2
Reflectance
Mineral, Aluminosilicate
Phenakite
Be2 SiO4
Minerals containing SiO4 , Phenakite (group)
—
Open
Phenakite specimen from Jos Plateau, Plateau State, Nigeria. Size is 4.2 x 3.7 x 2.9 cm.
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
0
9
0
PL, PL/XL
Mineral, Silicate
Phenakite (group)
ABSiO4
Nesosilicate
Eucryptite (var. pinkish) , Eucryptite , Willemite , Phenakite
0
25
9
CL/SEM, PL/Laser, Reflectance
Group
Phlogopite
K(Mg,FeII )3 (AlSi3 O10 )(OH)2 , KMg3 (AlSi3 O10 )(OH)2
Biotite , Minerals containing OH
Phlogopite-1M , Phlogopite-2M1
Open
Phlogopite specimen from Sydenham (near), Ontario, Canada
Photo by Burton Litman, via Smithsonian National Museum of Natural History
9
7
3
Reflectance
Hydroxide , Mineral, Aluminosilicate
Phlogopite-1M
KMg3 (AlSi3 O10 )(OH)2
Phlogopite
—
4
0
0
—
Hydroxide , Aluminosilicate , Polytype
Phlogopite-2M1
KMg3 (AlSi3 O10 )(OH)2
Phlogopite
—
3
0
0
—
Hydroxide , Aluminosilicate , Polytype
Phosgenite
Pb2 (CO3 )Cl2
Minerals containing CO3
—
1
0
0
—
Carbonate , Mineral, Halide
Phosphuranylite
KCa(H3 O)3 (UO2 )7 (PO4 )4 O4 ·8H2 O
Minerals containing H2O , Minerals containing PO4
—
Open
Phosphuranylite specimen from South Alligator River, Kakadu National Park, Northern Territory, Australiia
Photo by Weirdmeister (via Wikimedia Commons), CC-BY-SA 4.0
0
4
0
PL
Mineral, Orthophosphate , Phosphate , Uranyl , Hydrated
Plagioclase
(Na,Ca)[(Si,Al)AlSi2 ]O8
Feldspar (group)
Oligoclase , Bytownite , Andesine , Albite , Anorthite , Labradorite , Albite (var. Ca)
Open
Plagioclase feldspar displaying cleavage
Photo via USGS, Public Domain
3
148
23
CL, CL/SEM, EDS, Reflectance, SXES
Aluminosilicate , Subgroup
Platinum
Pt
—
—
Open
Crystals of pure platinum grown by gas phase transport
Photo by Periodictableru (via Wikimedia Commons), CC-BY-3.0
1
14
1
SXES
Mineral , Metal , Element