Pyrite
FeS2
Pyrite (group)
—
Open
Cubic crystals of pyrite (7.0 × 5.0 × 2.5 cm). Found from Huanzala mine, Huallanca, Bolognesi, Ancash, Peru
Photo by Ivar Leidus (via Wikimedia Commons), CC-BY-SA 4.0
37
3
2
CL, SXES
Mineral, Sulphide
Pyroaurite
Mg6 FeIII 2 (CO3 )(OH)16 ·4H2 O
Minerals containing CO3 , Minerals containing OH , Minerals containing H2O , Hydrotalcite (group)
—
1
0
0
—
Carbonate , Hydroxide , Mineral, Hydrated
Pyrochlore
(Sr,Na)2 Nb2 O6 (OH,F), (Ca,Na)2 Nb2 O6 (OH,F), (Na,Sr,Ca,Ce)2 Nb2 O6 (OH,F)
Pyrochlore (group)
Calciopyrochlore
Open
Pyrochlore crystals (brown), from Vishnovogorsk, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia. 7.7 x 5.8 x 3.0 cm
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
0
5
0
PL, PL/Laser
Hydroxide , Niobate
Pyromorphite
Pb5 (PO4 )3 Cl
Apatite (group) , Minerals containing PO4
—
Open
Photo by Parent Géry, (via Wikimedia Commons), Public Domain
1
12
0
PL, PL/Laser
Mineral, Phosphate , Orthophosphate
Pyrope
Mg3 Al2 (SiO4 )3
Minerals containing SiO4 , Garnet
—
Open
Rhodolite garnets from the National Gem Collection
Photo by Chip Clark, via Smithsonian National Museum of Natural History
2
5
0
PL/Laser
Mineral, Aluminosilicate
Pyrophyllite
Al2 Si4 O10 (OH)2
Minerals containing OH , Clay
—
Open
Pyrophyllite specimen from Maricopa, Kern Co., CA, USA.
Photo by Chip Clark, Smithsonian Institution. CC0
2
3
0
PL, Reflectance
Hydroxide , Mineral, Aluminosilicate
Pyroxene
ADSi2 O6
—
Orthopyroxene , Clinopyroxene
Open
Composition between endmembers enstatite - ferrosilite and diopside - hedenbergite. Pyroxenes with more than 50 mole percentage of Ca2Si2O6 do not exist in nature
Image by Lina Jakaité (https://strike-dip.com/pyroxenes/), CC-BY-SA 4.0
2
0
0
—
Group , Silicate
Pyroxmangite
MnII SiO3
—
—
Open
Image of a specimen of pyroxmangite (M 50567, Museums Victoria), from Broken Hill, New South Wales, Australia
Photograph by Rodney Start, Museums Victoria, CC-BY
1
0
0
—
Mineral, Silicate
Pyrrhotite
Fe1-x S
Pyrrhotite (group)
Pyrrhotite-5C , Pyrrhotite-4M
Open
Pyrrhotite specimen from Eagle Mine, Michigan, USA. 4.5cm in size.
Photo by Carlin Green, USGS, Public Domain
1
0
0
—
Mineral, Sulphide
Pyrrhotite-4M
Fe1-x S
Pyrrhotite
—
4
0
0
—
Sulphide , Polytype
Pyrrhotite-5C
Fe1-x S
Pyrrhotite
—
2
0
0
—
Sulphide , Polytype
Quadratite
AgCdAsS3
—
—
1
0
0
—
Mineral, Sulphide , Arsenide
Quartz
SiO2
Silica
Citrine , Chalcedony , Jasper , Agate , Amethyst , Flint
Open
Image of smoky quartz in specimen 'NMNH G3293-00' (Smithsonian Institution - National Gem Collection) from Tschingelhorn, Bernese Alps, Switzerland. Weight: 5.65 ct
Photo by Chip Clark, Smithsonian Institution, Public Domain
222
111
10
CL, CL/SEM, EDS, Reflectance
Mineral, Simple oxide
REE(III) hydroxide
REEIII (OH)3
—
—
0
2
0
IR
Hydroxide , Compound
REE(III) oxyhydroxide
REEIII OOH
—
—
0
2
0
IR
Compound