American Mineralogist, Volume61, pages 1053-1056,1976 NEW MINERAL NAMES* Mrcue,nl Fr-BrscHER.AooI-R Pnssr nNp Louts J. Clsnt Baratovite* Barreritet V. D. Dusurrov, E. l. Sruruov, A. P. Knor'lrvlrcov,A. V. E. Pnssncltn nrn D. PoNGII-uppt(1974) Sodian stellerite from Byxovn euo N. Ku. Dzunnrnnov(1975) Baratovite, a new Capo Pula, Sardegna.Lithos, 7, 69-73. mineral.Zapiski Vses. Mineralog. Obshch,l04, 580-582 (in Rus- E. Pnsslcltl euo D. PoNctt-uppt(1975) Barrerite, a nEw natu' slan) ral zeolite.Mineral. Mag. 40,268. Analysisby A.V.B.gave SiO, 50.46, TiO, 9.55ZrO" 2.28, Nb,O6 The "sodian stellerite" described has the composition 0.72,Fe'O' 0.50, MnO 0.12,CaO 30.36, Na,O 0.70, K,O 2.96,Li,O (Cao".MgorTNau.oKlqu)[(Ala.rrFe8lor)Sizzzr] O?r'25.78H1O. It 2.05,F 1.05,sum 100.75- (O : F,) 0.44= 100.31percent. Calculated crystaflizes in the spacegroup Amma, whereas that of stelleriteis to unit cell content of Si = 48, this gives Ke6eNa, ,rCas1.el-i7 6. Fmmm;Z : 2,sp gr (calc)2.1 l, spgr (meas)2.13(l). Thens are: a Zr, *Tiu agSi."O1a6Fs16,or approximately4(KCarLirSisOyF). The t.479t(5),B 1.4851(5),7 1.4891(s), X-a, Y-b, Z'c. infrared spectrumhas maxima of absorptionat 1085,950, 470, This "sodianstellerite" has now beennamed barrerite in honor and445 cm-'. of RichardM. Barrerfor his outstandingcontributions in the field X-raystudy by N.Kh. D. and A.D. Khalilovshow baratovite to of the chemistryof molecularsieves. A. P. be monoclinic,probably pseudohexagonal, space $oup C2/c or Cc,a 16.90+ 0.02,b9.73 + 0.01,c 20.91,x0.024, P l l2'30'. The strongestX-ray lines (2I given)are3.22 100006,2.41 20008,1.92 Carlfriesite* t7 0.0.t0. S. A. WrLLr,rusAND R. V. GetNss (1975) Carlfriesite, The mineraloccurs as mother-of-pearl white platy deposits up to HrCa(TeOa)s,a new mineral from Moctezuma,Sonora, Mexico. 5 X 2 X 0.5 cm in size.H 3.5,brittle, sp gr 2.92.Cleavage {001} Mineral. Mag. 40, 127-130. perfect.Basal sections are isotropic.Optically biaxial, positive, 2Il 60',8 I 672,71.673,dispersionr> ustrong,X A normalto(001) Carlfriesiteoccurs as botryoidal crusts and less frequently as tiny = about50o. spraysof euhedralcrystals at the Bambollita(now La Oriental) The mineral occursas an accessorymineral, associatedwith minein theSierra La Huerta.It is relativelyabundant, occurring miserite,ekanite, and sphene,in quartz-albite-aegirineveinlets with cerussiteand chlorargyritein an oxidizedassemblage derived and in albititesin syenitesof the Dara-Piozalkalic massii Tadzhi- from hessite,galena, and bornite. = kistan Thecolor is primroseyellow with a paleyellow streak, H 3/:, The nameis for the petrographerRauf BaratovichBaratov of spgr (meas)6.3, sp gr (calc)5.93. Fair cleavage on (010).Mono- p Tadzhikistan.Samples are preservedin the MineralogicalMu- clinicwith a 12.585,b 5.658, c 9.985A, I15" 35';space group Cc seumsof the Academyof Science,USSR and the Instituteof or CZ/c. The strongestlines of a powderpattern are: 3.16710, Mineralogy,Geochemistry, and Crystal Chemistryof Rare Ele- 3.08298, 5.0636, 2.8326, 3.3694, 4.8253,2.698 3 and4.089 2. = = ments.both in Moscow.M. F. Feeblepleochroism in paleyellowwith Z> X Y;a:1.982,8 2.095,1=2.19. Type specimensare at the British Museum(Natural History) Bari6ite* and the Universityof Paris.The nameis for the late Carl Friesof B. D. SrunulN eNp J A. MlNonnrNo(1976) Bari6ite, a new the U. S. CeologicalSurvey and the Instituto de Geologiaof the mineralfrom the Yukon. Mineral.Assoc. Canada. Abstr. Annu. NationalUniversity, Mexico. A. P. Meet.p.65. Analysis(not given)gives the formula(Mgr.oFei.+rzFe|,*to (PO.), Darapiosite* (OH)0,, 7.85H,O, the Mg vivianite,It is monoclinic, analogof E. l. Sstrlslov,V. D. Dusllntov, A. P. KsoruvnKov,A. A. : C2/m,a 10.075,b 13.416,c 4.7604,0 104"52',Z 2. Thestrong- VoRoNKovAND M. E. Knz,cxov.{(1975) Darapiosite, a new esrX-ray linesare 6.71 100 020, 3.196 N i30, 2.95660 311, 201, mineral of the milarite group.Zapiski Vses.Mineralog. Obshch' 2.69970 22t,2.526 fi 241,2.4t835 101 . 104,583-585 (in Russian). Colorlessto paleblue, H lvr-2, spgr 2.42(2.44 calcd). Cleavage {010}perfect. Optically biaxial, positive, 2V 59L2', nsa 1.554,13 Analysisby M.E.K. gaveSiO, 63.65,ZtOz 5.00,Nbroo 0.90' 1.5647 1.595,r ( u weak,X = b, Z A c : 132o. FeO' 1.85,MnO 8.25,ZnO 7.85,LirO L74,RE:Os 0.96, CaO 0.57, The mineral occursas largeplates up to 12 cm in maximum NarO2.96, KrO 5.14,loss on ignition0.58, sum 99.45 percent. This dimensionand up to 5 cm thick. It occursin fracturesin a sideriLe gives(K1 2sNa,6Cas ul-i0.6s)Lio ?s(Zn'oMnr.r,) (ZroroFeo.zsNbo oz) iron formation in the Big Fish River-Blow River area, north- Si,r(O,OH)so,or (K,Na)'Li(M n,Zn)rZrSivOgr.Partial analysis of easternYukon Territory. a brownishsample by A. V. BykovagaveZnO E.75, MnO 11.35, The nameis for ProfessorLjudevit Bari6,mineralogist of the FerO, 2.78,Al present.The infraredspectrum is given. Universityof Zagreb,Yugoslavia. M.f. X-ray study(A.A.V) showedthe mineralto behexagonal, space 1053 1054 NEW MINERAL NAMES group probably P6/mcc, a 10.32,c 14 39A. The strongestlines (48 Moissanite-5H given)are'7.09 6002,4.13 5 t 122,3.2610t2-31,2.936.5 I t24,2.56 R. G. GEvonryAN,G. A. GunrrNa ANDF. V KrurNsrrr (1974) 5.5 2240. New polytype of natural moissanite from Armenia. Zapiski Ar- The mineral is colorless,white, rarely brownish or bluish. H 5, myan Otdel. Vses. Mineralog Obshch 7,106-ll0 (in Russian). sp gr 292 Opticially uniaxial, negative,c.r 1.580, e 1.575(both + Chem. Abstr. 84, no 2,7536 (19'76) 0.002). A blue variety is pleochroic, with O violet, E blue. The mineral occurs in massesup to 0.5 cm in diameter in the alkatic Material from the heavy fraction of an alluvium sample from the massifof Dara-Pioz, northern Tadzhikistan,associated with aegi- Dzoraget River in the Sevan-Amasii ophiolite zone gave by Laue rine and quartz, as well as sogdianite (vol. 54, p. l22l), eudialyte, study a 3 03, c 12 37A, correspondingto SiC-5H. M. F. schizolile,and polylithionite. The name is for the locality Type material is at the Miner- Sobolevskite+ alogicalMuseums of the Academy of Science,USSR and Institute of Mineralogy, Geochemistryand Crystal Chemistryof Rare Ele- T. L EvsrtcNrrvl, A. D. GENTTNrro V. A. Kover-pNxrn (1975) ments. both in Moscow. M. F. A new bismuthide of palladium, sobolevskite,and the no- menclature of minerals of the system PdBi-PdTe-PdSb. Zap. Francoanellite* Vses Mineral Obshch 104, 568-5'79[in Russian]. F. BeleNzeNo, L. DELL'ANNA,nNo M Drprrno (1976)Francoa- Microprobe analysesgave Pd 35.5,36.0, 34.4; Bi 64.0,64.0, 66.2; nellite,H6KsAlb(PO4)B l3HrO, a new mineral from the cavesof sums99.5, 1000, 100.6percent, corresponding to Pd, Pd1 Castellana, Puglia, southern ltaly Neues Jahrb Mineral., Mon- *Bi, 1oBi, Pdr or PdBi. atsh 1976, 49-57. orBi, Small amounts of Pt, Pb, Sb, and Te were sometimesdetected. Analysesof 2 samplesselected under the binocular microscope The X-ray powder pattern (21 lines)was indexedas hexagonal, gave P,O, 45.09,44.94:Al,O3 18.03,18.43; Fe,O, 2.97,2.68; CaO a - 4.23, c = 5.69 A though it contains5 weak unindexablelines; trace,(NHo)rO trace, Na,O 1.00,0.96; KrO 9.80,9 69,H"O 22.75, srrongestlinesare 3.07 l0 l0ll,2.26 l0 10i2,2.ll9It20, 1.6905 22.72, sum 99 64, 99.42 percent, corresponding to 10t3,t22, I t825 t124 H"(K, uNao,)(Al*Feos) (PO4)s. l3HrO The mineralis insoluble in The mineral occursas grains,usually less than 0 I mm in size,in water,readily solublein dilute HCI or HNO.. When the mineral is massive (mainly) and disseminated mooihoekite-chalcopyrite, heated,about 19 percent is lost up to 200', and about 4 percent troilite-pyrrhotite,and chalcopyrite-cubaniteores of the Oktyabr more slowly 200-550' The DTA curve showsa largeendothermic deposit. lt is most frequently observed in intergrowths with paolov- peak at l75o and a smallerexothermic peak at 575' The original ite and sperryliteand rarely with native silver,polarite, and other X-ray pattern is maintained up to 200', at 200-575"the mineral is platinum-groupminerals. In reflectedlight, sobolevskiteis grayish- amorphous, at 600' the pattern of AIPO, is given. The mineral white with a creamy tint, very similar to kotulskite.Birefringence hydratesto taranakite in air is distinct and pleochroism of birefringencenot observed. X-ray powder data (36 lines)are given for 2 natural compounds The mineral is strongly anisotropicunder crossednicols with dis- and 2 synthetics.The strongestlines of natural material are 13.83, tinct color effects in reddish-lilac and pale-cream shades. Reflect- 1375100;7 44,7.44 60,35;6.86,686 50,38,340,3.41 65,53, ance (percent,Rr'and Ro'): 480nm 52.2,46.7; 500nm 53.6, 48.3; 2799,2.808 62,49 The syntheticmaterial is, accordingto Smith 520nm56 l,50.4;540nm 57 7,52 4; 560nm59.7,54.3;580nm 61.0, and Brown (Am Mineral 44, 138-142, 1959), rhombohedral, R3c 55.5;600nm 62 0, 56.5;620nm63.5, 57.8; 640nm 65 0, 59.3;660nm or R3c,a 8 71, c 82 8A.