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Optical image of holotype wortupaite specimen (Museums Victoria M2021), showing yellowish green wortupaite crystals on calcite. Mineral

Wortupaite

wortupaite

Formula
MgNi(Te⁴⁺O3)3·3H2O
Mineral

Wrightite

wrightite

Formula
K2Al2O(AsO4)2
Outstanding blue wroewolfeite crystals associated to colorless sharp leadhillite crystals, green redgillite and also anglesite. From: Meadowfoot Smelter, Wanlockhead, Scotland, United Kingdom. Mineral

Wroewolfeite

wroewolfeite

Formula
Cu4(SO4)(OH)6 * 2H2O
Orange red tabular crystals of wulfenite set on a small amount of matrix (2.2 × 1.7 × 0.3 cm). Found from Red Cloud mine, La Paz County, Arizona, USA Mineral

Wulfenite

wulfenite

Formula
PbMoO4
Mineral

Wulffite

wulffite

Formula
K3NaCu4O2(SO4)4
Backscattered electron (BSE) images of wumuite and some associated minerals. The image is published in an article distributed under the Creative Commons Attribution 4.0 License-. Mineral

Wumuite

wumuite

Formula
KAl0.33W2.67O9
Wupatkiite Field of view: 5 mm Locality: Cameron (TL), Coconino County, Arizona, USA Mineral

Wupatkiite

wupatkiite

Formula
(Co,Mg,Ni)Al2(SO4)4*22H2O
Wurtzite Field of view: 0.5 mm Locality: Aris Quarries, Windhoek Rural, Khomas Region, Namibia Mineral

Wurtzite

wurtzite

Formula
ZnS
Mineral

Wusiheite

wusiheite

Formula
BaGe(Ge3O9)
Mineral

Wuyanzhiite

wuyanzhiite

Formula
Cu2S
Mineral

Wyartite

wyartite

Formula
CaU5+(UO2)2(CO3)O4(OH) * 7H2O
Mineral

Wycheproofite

wycheproofite

Formula
NaAlZr(PO4)2(OH)2·H2O
Mineral

Wyllieite

wyllieite

Formula
(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO4)3
Wöhlerite Locality: Langesundsfjorden, Larvik, Vestfold, Norway Size: 6.2 cm x 3 cm x 2.6 cm Wöhlerite is a rare sodium, calcium, zirconium, niobium silicate found in the late phase of strange and uncommon alkalid pegmatites, nepheline syenites, fenites and carbonatites. This very rich old-time specimen is from near the famous Type Locality (discovered in 1843) in Norway, where thorite was discovered in 1829. Lustrous, translucent, yellowish-brown wohlerite crystals and crystal fragments to about 1.5 cm are richly scattered on all sides of the starkly contrasting, two-toned matrix. Rarely available from this locality. Accompanied by an expertly handwritten, faded label from an older collection. The collection this came out of was a museum stash dating to prior to World War I. Mineral

Wöhlerite

wöhlerite
Wölsendorfite, Becquerelite Locality: Shinkolobwe Mine, Shinkolobwe, Kambove, Haut-Katanga, DR Congo Field of view: 3 mm Description: Bright red wölsendorfite crystals on yellowish orange becquerelite Mineral

Wölsendorfite

wölsendorfite

Formula
Pb7(UO2)14O19(OH)4·12H2O
Wülfingite - Germany, Saxony-Anhalt, Hettstedt, Gottesbelohnungshütte - 1,5 mm. Photos from tomeikminerals.com can be used under a Creative Commons Licenese 4.0 CC-BY, as explained in: https://www.tomeikminerals.com/about-me. Mineral

Wülfingite

wülfingite
Wüstite (FOV: ~4x3 mm) Locality: Sikhote-Alin meteorite, Paseka village, Sikhote-Alin Mts, Primorskiy Kray, Far-Eastern Region, Russia Original description: Black crust of wustite on surface of meteorite particle, formed during its moving through atmosphere. FOV is ~4x3 mm. Pavel M. Kartashov collection and photo. Mineral

Wüstite

wüstite

Formula
FeO
Extremely rare bright green xanthiosite on darker green aerugite, and associated to bunsenite, from the type locality for the three species (Johanngeorgenstadt, Erzgebirge, Saxony, Germany), and only one of the two known localities worldwide for aerugite. Three Ni mineral species and three TL in a single specimen. Mineral

Xanthiosite

xanthiosite

Formula
Ni3(AsO4)2
Xanthoconite Locality: Imiter Mine, Boumalne-Dadès, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco (Locality at mindat.org) Picture width 1 mm. Collection and photograph Christian Rewitzer Mineral

Xanthoconite

xanthoconite

Formula
Ag3AsS3
Mineral

Xanthoxenite

xanthoxenite

Formula
Ca4Fe³⁺2(PO4)4(OH)2·3H2O
Mineral

Xenophyllite

xenophyllite

Formula
Na4Fe7(PO4)6
Agregát minerálov skupiny monazitu (MGM) so xenotímom-(Gd) (Xtm-Gd), xenotímom-(Y) (Xtm-Y), uraninitom (Urn) a uranylovými arzenátmi-fosfátmi (U-As-P) v kremeň-muskovitovej žilovine, (Qz + Ms). Mineral

Xenotime-(Gd)

xenotime-(Gd)

Formula
Gd(PO4)
Xenotime-(Y) Locality: Mt Malosa, Zomba District, Malawi (Locality at mindat.org) Picture width 1 mm. Collection and photograph Christian Rewitzer Pale brown xenotime-Y with yellow zircon in the background. Mineral

Xenotime-(Y)

xenotime-(Y)

Formula
Y(PO4)
Mineral

Xenotime-(Yb)

xenotime-(Yb)

Formula
Yb(PO4)