Material Index for the Spectroscopy Database

Material Index

Name	Formula	Classifications	Members	Image	Lines	Spectra	Techniques	Tags
Wadeite	K₂ZrSi₃O₉	Benitoite (group)	—	Wadeite Wadeite (lavender, 1.8cm) on orthoclase-aegirine matrix, from Eveslogchorr Mt, Khibiny Massif, Murmansk Oblast, Russia. Size: 2.7 x 2.7 x 2.2 cm © Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	3	0	PL, PL/XL	Mineral, Silicate
Wakefieldite-(Y)	YVO₄	Xenotime (group), Minerals containing VO4, Yttrium orthovanadate	—	Wakefieldite-(Y) Crystal of wakefieldite-(Ce) on brewsterite-Sr, from Yellow Lake, Olalla, British Columbia, Canada. Size: 3 × 1.6 × 1.4 cm © Photo by Joan Rosell, from rosellminerals.com. CC-BY-SA 4.0	10	1	CL/SEM	Mineral , REE, Vanadate
Water	H₂O	—	—		3	0	IR	Simple oxide , Compound
Wavellite	Al₃(PO₄)₂(OH)₃·5H₂O	Minerals containing H2O, Minerals containing OH, Minerals containing PO4	—	Wavellite Photograph of crystals of wavellite from Mount Ida, Arkansas © Photo (C) 2003 James O. Hamblen (http://hamblen.ece.gatech.edu/uvminerals/). Reproduced with permission.	1	0	PL	Hydroxide , Mineral, Orthophosphate , Phosphate , Hydrated
Whewellite	Ca(C₂O₄)·H₂O	Minerals containing H2O	—	Whewellite Specimen of Whewellite from Burgk, Dresden, Saxony, Germany. Size: 1.2 x 1 x .2 cm © Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	3	0	PL, PL/XL	Mineral , Hydrated , Organic
White mica	—	Mica	Illite, Sericite		5	0	Reflectance	Aluminosilicate , Informal
Willemite	(Zn,Mn)₂SiO₄, Zn₂SiO₄	Minerals containing SiO4, Phenakite (group)	—	Willemite Fluorescence image of willemite (green), from Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, USA. Size: 10.8 x 8.8 x 5.9 cm © Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	8	4	CL/SEM, PL/Laser, Reflectance	Mineral, Silicate
Witherite	BaCO₃	Aragonite (group), Minerals containing CO3	—	Witherite Wittherite crystal with galena, from Brownley Hill Mine, Nenthead, Alston Moor District, North Pennines, Cumberland, Cumbria, England, UK. Size: 6 x 5.3 x 4 cm © Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	20	2	CL/SEM, SXES	Carbonate , Mineral
Wolframite	(Fe,Mn)WO₄	—	—	Wolframite Wolframite specimen from Panasqueira, Covilhã, Castelo Branco District, Portugal. Size: 4.9 x 3.9 x 3.8 cm. © Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	4	1	CL	Tungstate
Wollastonite	CaSiO₃	Wollastonite (group), Pyroxenoid	Wollastonite-1A, Wollastonite-2M	Wollastonite Fans of white wollastonite needle shaped crystals in bluish marble from Nezdice, Šumava, Czech Republic. Size 15 x 12 cm. © © Zbynek Burival / Mineralexpert.org / (CC-BY-SA-4.0)	18	3	CL/SEM, Reflectance, SXES	Mineral, Silicate
Wulfenite	PbMoO₄	Minerals containing Mo[VI]O4, Scheelite (group)	—	Wulfenite Wulfenite specimen from Red Cloud Mine, La Paz Co., AZ, USA © Photo by Chip Clark, via Smithsonian National Museum of Natural History	14	0	PL, Raman	Mineral, Molybdate
Wurtzite	ZnS	Zinc sulphide, Wurtzite (group)	Wurtzite-2H	Wurtzite Wurtzite specimen from Yaogangxian Mine, Yizhang County, Chenzhou Prefecture, Hunan Province, China. This piece features several highly lustrous, sharp, deep reddish-brown, platy hexagonal crystals measuring up to 11 mm associated with white Calcite. © Photo by Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	1	0	IR	Mineral, Sulphide