Wolframite
(Fe,Mn)WO4
—
—
Open
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
—
Open
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)
13
3
CL/SEM, Reflectance, SXES
Mineral, Silicate
Wollastonite (group)
—
—
Pectolite , Schizolite , Tanohataite , Dalnegorskite , Wollastonite , Serandite , Bustamite , Mendigite , Cascandite , Ferrobustamite , Sérandite , Murakamiite , Barrydawsonite-(Y) , Vistepite
0
0
—
Group , Silicate
Wopmayite
Ca6 Na3 ☐Mn(PO4 )3 (PO3 OH)4
Whitlockite (subgroup)
—
0
0
—
Mineral, Hydroxide , Orthophosphate , Phosphate
Wulfenite
PbMoO4
Scheelite (group)
—
Open
Wulfenite specimen from Red Cloud Mine, La Paz Co., AZ, USA
©
Photo by Chip Clark, via Smithsonian National Museum of Natural History
13
0
—
Mineral, Molybdate
Wurtzite
ZnS
Wurtzite (group) , Zinc sulphide
—
1
0
—
Mineral, Sulphide
Wurtzite (group)
M X , M =Cd,Mn,Zn; X =S,Se
—
Greenockite , Wurtzite , Buseckite , Cadmoselite , Rambergite
0
0
—
Group , Sulphide, Selenide
Wuyanzhiite
Cu2 S
—
—
0
0
—
Mineral, Sulphide
Wüstite
FeO
Periclase (group) , Iron(II) oxide
—
0
0
—
Mineral, Simple oxide
Xenon
Xe
—
—
1
0
—
Element
Xenotime (group)
—
—
Wakefieldite-(Y) , Xenotime-(Yb) , Pretulite , Chernovite-(Y) , Wakefieldite-(La) , Xenotime-(Y) , Wakefieldite-(Nd) , Wakefieldite-(Ce)
0
0
—
Group
Xenotime-(Y)
YPO4
REE phosphate , Xenotime (group) , Yttrium orthophosphate
—
Open
Xenotime with gold-coloured rutile inclusions, from Novo Horizonte, Bahia, Northeast Region, Brazil. Size: 2.8 x 1.6 x 1.5 cm
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
246
20
CL, CL/SEM, EDS, PL/Laser, Reflectance
Mineral, Orthophosphate , Phosphate
Xenotime-(Yb)
Yb(PO4 )
REE phosphate , Xenotime (group)
—
0
0
—
Mineral, Orthophosphate , Phosphate
Xonotlite
Ca6 Si6 O17 (OH)2
—
—
3
0
—
Mineral, Hydroxide , Silicate
YAG
Y3 Al5 O12
—
—
Open
Synthetic yttrium aluminum garnet gemstone (YAG)
©
Photo by James St. John https://www.flickr.com/photos/47445767@N05/50817377922/), CC-BY 2.0
2
1
CL/SEM
Compound, Synthetic