Material Index for the Spectroscopy Database

Material Index

Name	Formula	Classifications	Members	Image	Lines	Spectra	Techniques	Tags
Pabstite	BaSnSi₃O₉	Benitoite (group)	—	Pabstite Tan crystal aggregates of pabstite, from Pacific Cement Quarry, Santa Cruz, CA, USA. Ex. F. Bauer collection © Photo (C) 2020 David Hospital (via Wikimedia Commons), CC-BY-SA 4.0	1	0	PL/UV	Mineral, Silicate
Palladium	Pd	—	—	Palladium Elemental palladium © (C) 2024 James St. John (via Wikimedia Commons). CC-BY-2.0	11	3	SXES	Mineral , Metal , Element
Palygorskite	(Mg,Al)₂Si₄O₁₀(OH)·4H₂O	Palygorskite (group), Minerals containing H2O, Minerals containing OH	—	Palygorskite Palygorskite, from Attapulgus, Decatur Co., Georgia, USA © Photo by Ken Larsen, Smithsonian Institution. CC0	1	0	Reflectance	Hydroxide , Mineral, Hydrated , Aluminosilicate
Paragonite	NaAl₂(Si₃Al)O₁₀(OH)₂	Mica, Minerals containing OH	Paragonite-2M1	Paragonite Paragonite with garnet © Photo by Dave Dyet (via Wikimedia Commons). Public domain.	4	1	Reflectance	Hydroxide , Mineral, Aluminosilicate
Parakeldyshite	Na₂ZrSi₂O₇	—	—	Parakeldyshite White crystals of the rare mineral parakeldyshite from Bratthagen Quarries, Lågendalen, Hedrum, Larvik, Vestfold, Norway © Photo by David Hospital (via Wikimedia Commons), CC-BY-SA 4.0	3	0	PL, PL/XL	Mineral, Silicate
Parauranophane	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	Minerals containing H2O, Minerals containing OH, Uranophane (group)	—	Parauranophane Uranophane-alpha (light yellow radiating spheres) and Uranophane-beta (dark yellow, fan-like, thick needles) on Granite from Miedzianka in Krkonoše near Janowice Wielkie in Poland (Width: 11.5 mm) © Photo by F. Rohowski (via Wikimedia Commons), CC-BY-SA 3.0	4	0	PL	Hydroxide , Mineral, Silicate , Uranyl , Hydrated
Parsonsite	Pb₂(UO₂)(PO₄)₂	Minerals containing PO4	—	Parsonsite Specimen of parsonsite (brown) and torbernite (green), from Pinhal do Souto mine, Tragos, Chãs de Tavares, Mangualde, Viseu District, Portugal. Field of view is 4mm. © Photo by Leon Hupperichs (via Wikimedia Commons), CC-BY-SA 3.0	6	0	PL	Mineral, Orthophosphate , Phosphate , Uranyl , Hydrated
Pectolite	NaCa₂Si₃O₈(OH)	Wollastonite (group), Pyroxenoid, Minerals containing OH	—	Pectolite Pale greenish radiating spherical aggregates of Pectolite measuring up to 1.3 cm across, from Millington Quarry, Bernards Township, Somerset County, New Jersey, USA © Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	2	0	PL/Laser	Mineral, Silicate , Hydroxide
Pennantite	Mn^II₅Al(Si₃Al)O₁₀(OH)₈	Chlorite (group), Minerals containing OH	—		3	0	PL, PL/XL	Hydroxide , Mineral, Aluminosilicate
Pentahydroborite	CaB₂O(OH)₆·2H₂O	Minerals containing H2O, Minerals containing OH	—	Pentahydroborite 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	4	0	PL/XL	Hydroxide , Mineral, Hydrated , Borate
Periclase	MgO	Magnesium oxide, Periclase (group)	—	Periclase Periclase specimen from Stassfurt, Saxony, Germany © Photo courtesy Smithsonian National Museum of Natural History	38	2	CL/SEM	Mineral, Simple oxide
Petalite	LiAlSi₄O₁₀	—	—	Petalite 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	10	2	Reflectance	Mineral, Aluminosilicate
Phenakite	Be₂SiO₄	Minerals containing SiO4, Phenakite (group)	—	Phenakite 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	9	0	PL, PL/XL	Mineral, Silicate
Phlogopite	K(Mg,Fe^II)₃(AlSi₃O₁₀)(OH)₂, KMg₃(AlSi₃O₁₀)(OH)₂	Biotite, Minerals containing OH	Phlogopite-2M1, Phlogopite-1M	Phlogopite Phlogopite specimen from Sydenham (near), Ontario, Canada © Photo by Burton Litman, via Smithsonian National Museum of Natural History	7	3	Reflectance	Hydroxide , Mineral, Aluminosilicate
Phosphuranylite	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄·8H₂O	Minerals containing H2O, Minerals containing PO4	—	Phosphuranylite Phosphuranylite specimen from South Alligator River, Kakadu National Park, Northern Territory, Australiia © Photo by Weirdmeister (via Wikimedia Commons), CC-BY-SA 4.0	4	0	PL	Mineral, Orthophosphate , Phosphate , Uranyl , Hydrated