• Pocket Mindat

• Return to Mineral Index: U
• Return to Index

Mineral Index - U

• UM1988-05-S:AgBiCuHgPb
  
  (Hg,Ag,Cu,Pb)₅Pb₅Bi₁₁S₂₇

• UM1988-06
  syn. of UM1988-06-S:AgBiCuHgPb

• UM1988-06-S:AgBiCuHgPb
  
  (Pb,Hg)₁₂(Cu,Ag)₃(Bi,Sb)₁₀(S,Te)₂₇

• UM1988-//-O:FeMnNbSnTaW
  syn. of Wolframowodginite

• UM1990-38
  syn. of UM1990-38-S:CuFeIrNiPtRh

• UM1990-38-S:CuFeIrNiPtRh
  
  (Ir,Pt,Ni,Fe)S

• UM1990-52
  syn. of UM1990-52-Se:BiCu

• UM1990-52-Se:BiCu
  Detected by electron microprobe in two samples from El Dragón mine, Bolivia. In reflected light mineral slightly darker than krutaite. It shows distinct birefectance and ansiotropy.
  Cu₁₁(Ni,Co)_0.4Bi₂Se₁₃

• UM1990-54
  syn. of UM1990-54-Se:BiCuPb

• UM1990-54-Se:BiCuPb
  
  CuPb(Ni,Co)_0.3Bi₃Se₆

• UM1990-78
  syn. of UM1990-78-SiO:CaClFeHKNaZr

• UM1990-78-SiO:CaClFeHKNaZr
  Eudialyte group
  Trigonal
  (H₃O)₇(Na,K)₅(Ca,Sr,Mn)₆Zr₃[Si₃O₇(O,OH)₂]₂[Si₉O₂₃(O,OH)₄]2[SiNaFe(Zr,Ti,Al,Nb)□]Cl_1.5(O,OH)

• UM1990-79
  syn. of UM-1990-79-SiO:CaClFeHMnNaNbREEZr

• UM-1990-79-SiO:CaClFeHMnNaNbREEZr
  Eudialyte group. Described originally as “(REE,Fe) eucolite” (“(TR,Fe) eucolite”); subsequent work showed that it differs from eudialyte in the M & N site occupancies.
  Na₁₄Ca₅(Mg,Ca,Mn)Zr₃(Si₃O₉)₂(Si₉O₂₇)₂(Si,Nb,Al,Zr)₂(Fe,Zr)₃(Mn,Na,Ce,La,Y)(Na,H₂O,K,Sr)(OH)_4-5(OH,Cl)

• UM1991-06
  syn. of UM1991-06-E:AuCu

• UM1991-06-E:AuCu
  Undetermined grains
  Au₃Cu

• UM1992-30
  syn. of UM1992-30-SO:CCuHZn

• UM1992-30-SO:CCuHZn
  The Zn-dominant analogue of schulenbergite. Probably more widespread than presently known number of localities would indicate. Originally reported from Bastenberg Mine, Ramsbeck, Meschede, Sauerland, North Rhine-Westphalia, Germany.
  Trigonal
  (Zn,Cu)₇[(SO₄,CO₃)₂](OH)₁₀ · 3H₂O

• UM1994-19
  syn. of UM1994-19-PO:CuHMoPb

• UM1994-19-PO:CuHMoPb
  The phosphate analogue of molybdofornacite. Not enough material available for IMA-approval. Crystal structure solved recently, however (Uwe Kolitsch, unpublished results).
  Pb₂CuOHPO₄(Mo,As,Cr,Ga)O₄

• UM1997-06
  syn. of IMA2008-010

• UM1997-06-AsO:CaCuH
  syn. of IMA2008-010

• UM1997-09
  syn. of UM1997-09-AsO:CaHMgZn

• UM1997-09-AsO:CaHMgZn
  Huréaulite Group.
  Monoclinic
  (Mg,Ca,Zn)₅(AsO₄)₂[AsO₃(OH)]₂·4H₂O

• UM1997-10
  syn. of UM1997-10-AsO:CaV

• UM1997-10-AsO:CaV
  
  (Ca, V, AsO₄) ?

• UM1997-16
  syn. of UM1997-16-AsO:HMg

• UM1997-16-AsO:HMg
  
  (Mg, AsO₄) ?

• UM1997-18
  syn. of UM1997-18-AsO:HNiU

• UM1997-18-AsO:HNiU
  An unidentified mineral. Upon the recent (end of 2006) discovery of a monocrystal of this phase, work has resumed to fully describe and publish it. The formula provided was published in 1997 in the Czech Bulletin (Secondary Minerals of Jachymov) and ...
  Tetragonal
  Ni(UO₂)₂(AsO₄)₂·6-8H₂O

• UM1997-20
  syn. of UM1997-20-AsO:HU

• UM1997-20-AsO:HU
  
  U⁴⁺(HAsO₄)₂·4H₂O

• UM1997-23
  syn. of UM1997-23-CO:CaCuHU

• UM1997-23-CO:CaCuHU
  
  Ca₅Cu(UO₂)₄(CO₃)₆(OH)₈·4H₂O

• UM1997-24
  syn. of UM1997-24-CO:CaCuHU

• UM1997-24-CO:CaCuHU
  
  Ca₂Cu(UO₂)₂(CO₃)₂O₃·3H₂O

• UM1997-25
  syn. of UM1997-25-CO:CaCuHU

• UM1997-25-CO:CaCuHU
  
  (Ca, Cu, U, CO₃) ?

• UM1997-27
  syn. of UM1997-27-CO:CaHKSU

• UM1997-27-CO:CaHKSU
  'kalium-schröckingerite'
  Ca, K, Mg, U, S(?)

• UM1997-//-SiO:HNaNbTi
  syn. of Korobitsynite

• UM1998-03
  syn. of UM1998-03-Cl:Tl

• UM1998-03-Cl:Tl
  Found as inclusions in diamond. Possibly identical to lafossaite or a polymorph of it.
  TlCl

• UM1998-10
  syn. of UM1998-10-CO:CoHNi

• UM1998-10-CO:CoHNi
  
  Co₆Fe₂CO₃(OH)₁₆·4H₂O ?

• UM1998-11
  syn. of UM1998-11-O-AuHSb

• UM1998-11-O-AuHSb
  
  Au₂SbO₂(OH)

• UM1998-15
  syn. of UM1998-15-S:CuFeZn

• UM1998-15-S:CuFeZn
  
  Cu₂Fe₃Zn₅S₁₀

• UM1998-21
  syn. of UM1998-21-SiO:CaCeClHMnNaZr

• UM1998-21-SiO:CaCeClHMnNaZr
  Eudialyte group.
  Trigonal
  Na₁₆Ca₆(Mn,Ce)₃Zr₃(Si₃O₉)₂(Si₉O₂₇)₂(OH,Cl)₄

• UM1999-02
  syn. of UM1999-02-As:NiRh

• UM1999-02-As:NiRh
  
  (Rh,Ni)₇As₄

• UM1999-11
  syn. of UM1999-11:I:CuS

• UM1999-11:I:CuS
  
  Cu(I,S)

• UM1999-17
  syn. of UM1999-17:O:PbV

• UM1999-17:O:PbV
  
  Pb₄[O|(VO₄)₂]

• UM1999-29
  syn. of UM1999-29-SeO:ClCuHPb

• UM1999-29-SeO:ClCuHPb
  A unnamed selenite mineral accompanying orlandiite.
  Triclinic
  Pb₄CuCl₃(SeO₃)₃(OH)

• UM1999-32-SiO
  syn. of Seifertite
  Orthorhombic

• UM1999-36
  syn. of UM1999-36-SiO:CaCeHMnNaNbSrZr

• UM1999-36-SiO:CaCeHMnNaNbSrZr
  Eudialyte group
  Trigonal
  Na₁₇(Ca,Ce,Sr)₂Mn₃(Zr,Nb)₄Si₂₅O₇₃(O,OH,F,Cl)₅

• UM1999-37
  syn. of UM1999-37-SiO:CaClFeHMnNaREESrTiZr

• UM1999-37-SiO:CaClFeHMnMaREESrTiZr
  syn. of Dualite

• UM1999-37-SiO:CaClFeHMnNaREESrTiZr
  Found in hyperagpatic pegmatitic rocks.
  Trigonal
  (Si, Na, Ca, REE, Mn, Nb, Zr, Ti, Cl, Ba, Fe, K, O)

• UM1999-38
  syn. of UM1999-38-WO:CrV

• UM1999-38-WO:CrV
  Greyish green to pale greyish yellow, tiny spherulitic aggregates (diameter up to 0.1 mm), associated with rankachite; symmetry unknown, but assumed to be monoclinic or triclinic (Kolitsch, 1999). Possibly a tungstate.
  V, Cr, W, O, H [V:Cr:W ratio about· 2:1:3]

• UM1999-//-SiO
  syn. of Seifertite

• UM2000-05
  syn. of UM2000-05-E:AuSn

• UM2000-05-E:AuSn
  
  AuSn₂

• UM2000-46
  syn. of UM2000-46-S:BiCuPb

• UM2000-46-S:BiCuPb
  
  Cu_0.33Pb_0.33Bi_7.67S₁₂

• UM2000-47
  syn. of UM2000-47-S:CuFePdPt

• UM2000-47-S:CuFePdPt
  
  (Cu,Fe,Pd,Pt,Rh)₉S₈

• UM2000-66
  syn. of UM2000-66-SiO:CaClFeHMnNaNbSrZr