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Mineralati

Minerals

6323 results

Mineral

Yttriaite-(Y)

yttriaite-(Y)

Formula
Y2O3
:Black yttrialite-(Y) with brown lustrous formanite-(Y) and brown britholite-(Y) with dull lustre. Locality: Lövböle, Kemiö Island, Southwestern Finland Region, Finland Mineral

Yttrialite-(Y)

yttrialite-(Y)

Formula
Y2Si2O7
:Very rare, this large, single crystal of yttrocolumbite is exceptional for size, form, and locality. The metallic luster is good. There are four listed localities (this makes five). This species isn’t listed for this region on Mindat. Formerly in the collection of Michael Cohan. Size: 3.5 x 1.9 x 1.2 cm. Locality: Spruce Pine District, Mitchell Co., North Carolina, USA Mineral

Yttrocolumbite-(Y)

yttrocolumbite-(Y)

Formula
(Y,U,Fe²⁺)(Nb,Ta)O4
Mineral

Yttrocrasite-(Y)

yttrocrasite-(Y)

Formula
(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
Yttrotantalite-(Y) Locality: Ytterby, Resarö, Vaxholm, Uppland, Sweden (Locality at mindat.org) Size: 6.9 x 5.2 x 3.4 cm. Yttrotantalite is a rare, rare earth oxide rich in yttrium and is similar to tantalite. This old-time specimen, with waxy lustre is from the Type Locality - the Ytterby pegmatite in Sweden. The brick-red cubes filling the little vug are pyrite crystals. About 10 rare elements were discovered here. Ex. Mullane Collection and comes with a faded, old label. Classic, old material. Mineral

Yttrotantalite-(Y)

yttrotantalite-(Y)

Formula
(Y,U,Fe²⁺)(Ta,Nb)(O,OH)4
Yellow crystal aggregrates of the extremely rare Ce-Nd-Y-W mineral yttrotungstite-(Ce) from the type locality in Uganda and one of the very few known localities worldwide: Kirwa Mine, Kigezi District, Western Region, Uganda. Ex Vandenbroucke Museum collection specimen, from Waregem, Belgium. Mineral

Yttrotungstite-(Ce)

yttrotungstite-(Ce)

Formula
CeW2O7(OH)(H2O)
Photograph showing yttrotungstite-(Nd) forming isolated platy crystals deposited on white micro-crystalline hydrokenoelsmoreite aggregates. The β angle of ca. 105°, between a and c, can be observed on the platy crystal, confirming that its main form is {010}. Mineral

Yttrotungstite-(Nd)

yttrotungstite-(Nd)

Formula
NdW2O7(OH)(H2O)
Yellow crystal aggregrates of the extremely rare Ce-Nd-Y-W mineral yttrotungstite-(Ce) from the type locality in Uganda and one of the very few known localities worldwide: Kirwa Mine, Kigezi District, Western Region, Uganda. Ex Vandenbroucke Museum collection specimen, from Waregem, Belgium. Mineral

Yttrotungstite-(Y)

yttrotungstite-(Y)

Formula
YW2O7(OH)(H2O)
:Locality: Nuestra Señora del Carmen Mines, Jumilla, Murcia, Spain Size: 2.8 × 2.2 × 2 cm Description: Rich aggregates of yuanfuliite needle like crystals, with orange-red color. They are accompanied by globular and brilliant calcite and hematite. From this classic Spanish locality Mineral

Yuanfuliite

yuanfuliite

Formula
Mg(Fe³⁺,Al)O(BO3)
Mineral

Yuanjiangite

yuanjiangite

Formula
AuSn
Mineral

Yuchuanite-(Y)

yuchuanite-(Y)

Formula
Y2(CO3)3·H2O
Yugawaralite Locality: Jalgaon District, Maharashtra, India (Locality at mindat.org) Size: 4.8 cm x 2.9 cm x 2.4 cm Mineral

Yugawaralite

yugawaralite

Formula
Ca(Si6Al2)O16·4H2O
Yukonite Locality: Venus Mine, Windy Arm, Tagish Lake, Carcross, Whitehorse Mining District, Yukon Territory, Canada Size: 2.1 cm x 1.7 cm x 1 cm Yukonite is a rare hydrated arsenate of calcium and iron and this showy and rich thumbnail is from near the Type Locality in the Yukon. Lustrous, reddish-brown resinous masses richly cover the sculptural matrix on this excellent example. Very seldom on the market from this locale, a silver mine. In fact, this is the only one I have had. Mineral

Yukonite

yukonite

Formula
Ca2Fe³⁺3(AsO4)3(OH)4·4H2O
Yuksporite from the type locality, Mount Yukspor, Khibiny, Kola, Russian Federation. Specimen size 4 cm Mineral

Yuksporite

yuksporite

Formula
K4(Ca,Na)14(Sr,Ba)2(☐,Mn,Fe)(Ti,Nb)4(O,OH)4(Si6O17)2(Si2O7)3(H2O,OH)3
Mineral

Yulinite

yulinite

Formula
SrNb2O6
Mineral

Yunhaoite

yunhaoite

Formula
K2(MoO4)
Mineral

Yurgensonite

yurgensonite

Formula
K2SnTiO2(AsO4)2
Mineral

Yurmarinite

yurmarinite

Formula
Na7(Fe³⁺,Mg,Cu)4(AsO4)6
Yushkinite mineral Mineral

Yushkinite

yushkinite

Formula
(Mg,Al)(OH)2VS2
Colorless/white crystals of the extremely rare zirconium mineral yusupovite (IMA 2014-022) from the type and only known locality worldwide (Dara-i-Pioz Glacier, Tien Shan Mountains, Region of Republican Subordination, Tajikistan) in a small matrix of purple kentbrooksite. Ex.Dr. Igor.V. P. Pekov authour specimen. Mineral

Yusupovite

yusupovite

Formula
Na2Zr(Si6O15)(H2O)3
Mineral

Yuzuxiangite

yuzuxiangite

Formula
Sr3Fe³⁺(Si2O6)2(OH)·3H2O
Yvonite Locality: Salsigne mine, Salsigne, Mas-Cabardès, Carcassonne, Aude, Languedoc-Roussillon, France (Locality at mindat.org) Field of view 4 mm. Specimen and photo Leon Hupperichs. Mineral

Yvonite

yvonite

Formula
Cu(AsO3OH)·2H2O
White crystal aggregates of this very rare mineral (a lithium carbonate) in spodumene. Also known as diomignite as stated in the old label from Ralph E. Merrill collection. From: Tanco Mine, Bernic Lake, Manitoba, Canada. Mineral

Zabuyelite

zabuyelite

Formula
Li2[CO3]
Mineral

Zaccagnaite

zaccagnaite

Formula
Zn4Al2(OH)12[CO3] * 3H2O