Prehnite Ca2 Al(Si3 Al)O10 (OH)2
Minerals containing OH —
Open
Specimen of prehnite, from Goboboseb Mountain, Erongo Region, Namibia. Specimen M 53300, Museums Victoria
Photo by Rodney Start, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)
4
19
1
Reflectance
Hydroxide , Mineral, Aluminosilicate
Preobrazhenskite Mg3 B11 O15 (OH)9
Minerals containing OH —
Open
Outstanding yellow very shiny microcrystals of the rare borate mineral preobrazhenskite from the type locality: Inder B Deposit, Atyrau, Atyrau Oblysy, Kazakhstan.
Photo by David Hospital (via Wikimedia Commons), CC-BY-SA-4.0
0
2
0
PL/XL
Mineral, Hydroxide
Priceite Ca2 B5 O7 (OH)5 ·H2 O
Minerals containing H2O , Minerals containing OH —
0
1
0
PL
Hydroxide , Mineral, Hydrated , Borate
Prosopite CaAl2 F4 (OH)4
Minerals containing OH —
Open
Lavender prosopite with green amazonite on one end and micro xls. of ralstonite & tomsenolite on the other end, from Morefield Pegmatite Mine; Amelia Co., Virginia, USA
Photo by Mark Joseph Wylie (via Wikimedia Commons), Public Domain
0
6
0
PL, PL/XL
Hydroxide , Mineral, Halide
Proustite Ag3 AsS3
—
—
1
0
0
—
Mineral, Sulphide
Pumpellyite (subgroup) Ca2 X Al2 [Si2 O6 (OH)][SiO4 ](OH)2 A , X =Mg,FeII ,FeIII ,Al,MnII , A = OH,O
Minerals containing H2O , Minerals containing OH , Minerals containing SiO4 Pumpellyite-(Al) , Pumpellyite-(Fe2+) , Pumpellyite-(Fe3+) , Pumpellyite-(Mg) , Pumpellyite-(Mn2+)
0
85
0
Reflectance
Hydroxide , Aluminosilicate , Subgroup
Pumpellyite-(Mg) Ca2 MgAl2 (Si2 O7 )(SiO4 )(OH)2 ·H2 O
Pumpellyite (subgroup) —
2
0
0
—
Hydroxide , Mineral, Hydrated , Aluminosilicate
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
38
3
3
CL, EDS, SXES
Mineral, Sulphide
Pyrite (group) A X 2 , A =Au,Co,Cu,Fe,Mn,Ni,Os,Pd,Pt,Ru; X =As,Bi,S,Sb,Se,Te—
Sperrylite , Krut'aite , Gaotaiite , Pyrite , Fukuchilite , Insizwaite , Aurostibite , Cattierite , Laurite , Erlichmanite , Geversite , Vaesite , Penroseite , Dzharkenite , Hauerite , Villamanínite , Trogtalite
0
3
3
CL, EDS, SXES
Group , Arsenide , Sulphide , Selenide , Telluride
Pyroaurite Mg6 FeIII 2 (CO3 )(OH)16 ·4H2 O
Minerals containing H2O , Minerals containing OH , Hydrotalcite (group) , Minerals containing CO3 —
1
0
0
—
Carbonate , Hydroxide , Mineral, Hydrated
Pyrochlore (Sr,Na)2 Nb2 O6 (OH,F), (Na,Sr,Ca,Ce)2 Nb2 O6 (OH,F), (Ca,Na)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
Pyrochlore (group) A 2 Nb2 (O,OH)6 Z , A =Na,Ca,SnII ,Sr,PbII ,SbIII , Y, UIV ,H2 O,◻; Z =OH,F,O,H2 O,◻Pyrochlore (supergroup) Fluorcalciopyrochlore , Cesiokenopyrochlore , Hydroxynatropyrochlore , Oxycalciopyrochlore , Pyrochlore (var. strontian) , Fluornatropyrochlore , Hydropyrochlore , Hydroxykenopyrochlore , Hydroxyplumbopyrochlore , Hydrokenopyrochlore , Hydroxycalciopyrochlore , Pyrochlore (var. Sr, Ce) , Hydroxymanganopyrochlore , Pyrochlore
0
5
0
PL, PL/Laser
Hydroxide , Group , Niobate
Pyrochlore (supergroup) A2-m D2 X6-w Z1-n
—
Elsmoreite (group) , Betafite (group) , Coulsellite (group) , Roméite (group) , Ralstonite (group) , Pyrochlore (group) , Microlite (group)
0
10
0
PL, PL/Laser
Supergroup
Pyromorphite Pb5 (PO4 )3 Cl
Minerals containing PO4 , Apatite (group) —
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
