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Mineral Index - U

• UM2000-66-SiO:CaClFeHMnNaNbSrZr
  Eudialyte group
  Trigonal
  Na₁₂(Ca,Mn)₆(Sr,Na,K)₃(Fe,Mn)₃(Zr,Nb)₄Si₂₅O₆₆(OH,Cl)₁₁

• UM2001-06
  syn. of UM2001-06-E:CrFeNi

• UM2001-06-E:CrFeNi
  
  Fe₇Cr₂Ni

• UM2001-18
  syn. of UM2001-18-Si:CuPtSn

• UM2001-18-Si:CuPtSn
  Found as sub 3 micron grains in a cobalt-manganese crust from the Mid-Pacific rise in the Pacific Ocean.
  (Cu,Pt)₄Si

• UM2003-03
  syn. of UM2003-03-E:AgAuCuZn

• UM2003-03-E:AgAuCuZn
  Alternate expression of the formula: (Cu2.5,Au,Ag0.5)Zn An extraterrestrial mineral discovered on the moon.
  (Cu,Au,Ag)₄Zn

• UM2003-13
  
  Ag₆AuCu₂S₅

• UM2003-14
  
  Ag₁₆FeBiTe₃S₈

• UM2004-08
  syn. of UM2004-08-E:AuCuPd

• UM2004-08-E:AuCuPd
  Undetermined grains.
  (Cu,Pd,Au)

• UM2004-18
  syn. of UM2004-18-O:AlCaGdThTlZr

• UM2004-18-O:AlCaGdThTlZr
  
  CaGd₃ThAlTi₃Zr₃O₂₁

• UM2004-19
  syn. of UM2004-19-O:AlCeGdZr

• UM2004-19-O:AlCeGdZr
  
  (Gd,Ce)₄Al₂Zr₄O₁₇

• UM2004-20
  syn. of UM2004-20-O:AlGdLaThTiZr

• UM2004-20-O:AlGdLaThTiZr
  
  (Gd,Th,La)₃Th₃Al₃Ti₃Zr₂O₂₅

• UM2004-21
  syn. of UM2004-21-O:CaFeGdZr

• UM2004-21-O:CaFeGdZr
  
  Ca₂Gd₄Fe₅ZrO₁₅

• UM2004-27-O:GdTi
  
  Gd₂Ti₄O₁₁

• UM2004-28
  syn. of UM2004-28-O:GdTiZr

• UM2004-28-O:GdTiZr
  
  Gd₂ZrTiO₇

• UM2004-33
  syn. of UM2004-33-S:AgCuHgSe

• UM2004-33-S:AgCuHgSe
  "Unnamed 1" (analysis 9) in Paar et al. (2004).
  (Ag,Cu)₈Hg₃(S,Se)₇

• UM2004-45
  syn. of UM2004-45-Se:AgHgPd

• UM2004-45-Se:AgHgPd
  "Unnamed 2" (analysis 10) in Paar et al. (2004).
  (Ag,Cu)₆Hg₂Pd₂Se₃

• UM2004-49
  syn. of UM2004-49-SiO:AlCsFHKLi

• UM2004-49-SiO:AlCsFHKLi
  appears to be distinct from sokolovaite
  (Cs,K)(Al,Li)_2.6[(Si,Al)₄O₁₀](F,OH)₂

• UM2005-02
  syn. of UM2005-02-AsO:AlHPScSi

• UM2005-02-AsO:AlHPScSi
  The As-analogue of kolbeckite and the Sc-As-analogue of metavariscite. IMA proposal in preparation.
  ScAsO₄·2H₂O

• UM2005-31
  syn. of UM2005-31-SiO:CuH

• UM2005-31-SiO:CuH
  Bluish green to turquoise crusts on fluorite and quartz; the latter contains partially corroded galena. The crusts are fine-grained, with angular fragments seen at high magnification, and are partly composed of spherulitic aggregates with a maximum ...
  Cu₁₁(SiO₄)(OH)₁₈·9H₂O ?

• UM2005-35
  syn. of UM2005-35-VO:CaFePSiTh

• UM2005-35-VO:CaFePSiTh
  Possibly member of Zircon Group.
  (Th,Ca)[VO₄,SiO₄,PO₄]

• UM2005-//-E:CuPbPdPt
  variet of zvagintsevite
  (Pd,Pt)₃(Pb,Cu)

• UM2006-11
  syn. of UM2006-11-S:CuFeGeZn

• UM2006-11-S:CuFeGeZn
  Possibly the Ge-dominant analogue of stannoidite.
  Cu₈(Fe,Zn)₃Ge₂S₁₂ (?)

• Umangite
  Tetragonal
  Cu₃Se₂

• Umbalite
  var. of Almandine-Pyrope Series

• Umber
  syn. of Limonite

• Umbite
  Orthorhombic
  K₂(Zr,Ti)Si₃O₉·H₂O

• Umbite Group
  group name

• Umboldilite
  syn. of Humboldtilite

• Umbozerite
  Na₃Sr₄Th[Si(O,OH)_3-4]₈

• Umite
  syn. of Humite

• Umohoite
  Triclinic
  (UO₂)MoO₄·4H₂O

• Umthofu
  syn. of Copper

• Unächter Lasurstein
  syn. of Azurite

• Unakite
  Unakite is an altered Granite consisting primarily of pink Orthoclase Feldspar, clear Quartz and green Epidote. See also Pompton Granite.

• Ungarettiite
  Monoclinic
  [Na][Na₂][Mn²⁺₂Mn³⁺₃][O₂|Si₈O₂₂]
• Ungavaite
  Tetragonal
  Pd₄Sb₃
• Ungemachite
  Trigonal
  K₃Na₈Fe(SO₄)₆(NO₃)₂·6H₂O

• Ungursaite
  Natrotantite Group. Originally reported from Ungursai Ta Deposit, Irtysh River, Kalba Range, Shyghys Qazaqstan Oblysy (Vostochno-Kazakhstanskaya [Eastern-Kazakhstan] Oblast'), Kazakhstan.
  Hexagonal
  NaCa₅(Ta,Nb)₂₄O₆₅(OH)

• Unionite
  syn. of Zoisite

• UNK5
  syn. of Unnamed (Pb-U Hydrous Oxide)

• Unnamed (Ag-Au Amalgam)
  
  Ag₂Au₃Hg

• Unnamed (Ag-Au-Cu Sulphide)
  syn. of UM2003-13

• Unnamed (Ag-Fe-Bi Telluride Sulphide)
  syn. of UM2003-14

• Unnamed (Ag-Hg Halogen Sulphide)
  Yellow, but turns grey-black within minutes; associated with perroudite (Möhn et al., 2009).
  Ag-Hg-(Cl,Br,I)-S

• Unnamed (Ag-Hg-Pd Selenide)
  syn. of UM2004-45-Se:AgHgPd

• Unnamed (Ag-Hg Sulphide)
  syn. of UM2004-33-S:AgCuHgSe

• Unnamed (Ag-Pb-Bi Sulphosalt)
  
  Ag₃Pb₈Bi₁₁S₂₆

• Unnamed (Ag-Pb-Bi Sulphosalt II)
  
  Ag₂Pb₃Bi₂S₇

• Unnamed (Ag-Pd Telluride Bismuthide)
  
  (Ag,Pd)(Te,Bi)

• Unnamed (Al-Cu-Fe Quasicrystal)
  
  Al₆₂Cu₂₄Fe₁₃

• Unnamed (alpha-Zn(OH)2)
  
  α-Zn(OH)₂

• Unnamed (Arseniosiderite-related mineral)
  An unnamed Ca-Fe3+-arsenate visually indistinguishable from arseniosiderite. Originally described by Walenta (1998) who later suggested a close relationship to wallkilldellite-Fe (Walenta, 2006). The X-ray powder diffraction ...
  Ca, Fe, As, O, H

• Unnamed (As analogue of Franckeite)
  syn. of Coiraite

• Unnamed (As-analogue of Kolbeckite)
  syn. of UM2005-02-AsO:AlHPScSi

• Unnamed (As-Sb Oxide)
  syn. of Stibioclaudetite

• Unnamed (Au-Bi Sulphide)
  syn. of Jonassonite

• Unnamed (Au-Sb Oxide)
  syn. of UM1998-11-O-AuHSb

• Unnamed (Au-Sn alloy)
  syn. of UM2000-05-E:AuSn

• Unnamed (Ba-Al Trisulphide Hydroxide Hydrate)
  Anthropogenic phase found in slag. May contain minor Sr and traces of Ca.
  Monoclinic
  BaS₃·Ba(OH)₂·2Al(OH)₃·8H₂O

• Unnamed (Ba-analogue of Aravaipaite)
  White globular, fine-grained aggregates. Only one very small micromount known.
  PbBa₂Al(F,OH)₉