Bayan Obo (Bayun-Obo; Baiyunebo) deposit, Bayan Obo, Darhan Muminggan United Banner, Baotou League, Inner Mongolia Autonomous Region, China

To view 3d wall of images click here

Aeschynite-(Nd) : (Nd,Ce,Ca)(Ti,Nb)2(O,OH)6
	East Mine, Bayan Obo (Bayun-Obo; Baiyunebo) deposit, Bayan Obo, Darhan Muminggan United Banner, Baotou League, Inner Mongolia Autonomous Region, China Veinlet of brown tabular crystals of aeshynite-(Nd) in calcite-aegirine matrix. Specimen size 5x5x5 cm. Collected by A.A. Konev in 1998 in Eastern raremetal quarry. Pavel M. Kartashov collection and photo.
© Pavel M. Kartashov	Photo ID: 74868    View Count: 504
Bafertisite : Ba(Fe3+,Mn2+)2Ti[O|(O,OH)2|Si2O7], Dolomite : CaMg(CO3)2, Aegirine : NaFe3+[Si2O6]
	East Mine, Bayan Obo (Bayun-Obo; Baiyunebo) deposit, Bayan Obo, Darhan Muminggan United Banner, Baotou League, Inner Mongolia Autonomous Region, China Orange bafertisite plates in dolomite with black aegirine. FOW ~4x3.5 mm. Collected by A.A. Konev in 1998. Pavel M. Kartashov collection (#2064) and photo.
© Pavel M. Kartashov	Photo ID: 104927    View Count: 270
Bafertisite : Ba(Fe3+,Mn2+)2Ti[O|(O,OH)2|Si2O7]
	Bayan Obo (Bayun-Obo; Baiyunebo) deposit, Bayan Obo, Darhan Muminggan United Banner, Baotou League, Inner Mongolia Autonomous Region, China Tabular-prismatic crystals of red bafertisite in biotite schist. FOW ~3 mm. Part of holotype specimen of E.I. Semenov. Pavel M. Kartashov collection and photo.
© Pavel M. Kartashov	Photo ID: 103778    View Count: 160
Bafertisite : Ba(Fe3+,Mn2+)2Ti[O|(O,OH)2|Si2O7]
	Bayan Obo (Bayun-Obo; Baiyunebo) deposit, Bayan Obo, Darhan Muminggan United Banner, Baotou League, Inner Mongolia Autonomous Region, China Tabular-prismatic crystals of red bafertisite in biotite schist. Specimen size is 10x8x3 mm. Part of holotype specimen of E.I. Semenov. Pavel M. Kartashov collection and photo.
© Pavel M. Kartashov	Photo ID: 103773    View Count: 148
Baotite : Ba4(Ti,Nb)8Si4O28Cl, Quartz : SiO2, Orthoclase : K[AlSi3O8]
	Bayan Obo (Bayun-Obo; Baiyunebo) deposit, Bayan Obo, Darhan Muminggan United Banner, Baotou League, Inner Mongolia Autonomous Region, China Brown niobian baotite grains in quartz veinlet in feldspar metasomatic rock from type locality. FOW is ~14x10 mm. Collected by A.A. Konev in 1998. Pavel M. Kartashov collection and photo
© Pavel M. Kartashov	Photo ID: 106999    View Count: 180
Baotite : Ba4(Ti,Nb)8Si4O28Cl
	Bayan Obo (Bayun-Obo; Baiyunebo) deposit, Bayan Obo, Darhan Muminggan United Banner, Baotou League, Inner Mongolia Autonomous Region, China dimension area mm. 4 x 4 The Baotite is the massive mineral in brown grains photo and collection Luigi Chiappino
© luigi chiappino	Photo ID: 230652    View Count: 40
Cebaite-(Ce) : Ba3Ce2[F2|(CO3)5]
	East Mine, Bayan Obo (Bayun-Obo; Baiyunebo) deposit, Bayan Obo, Darhan Muminggan United Banner, Baotou League, Inner Mongolia Autonomous Region, China 2 mm grain of cebaite-(Ce) of typical amber-yellow colour with brownish rim of alteration of synchysite-huanghoite-barite composition. Empyrical formula of the cebaite is (Ce.91La.56Nd.28Pr.12Sm.10)1.97Ba3.03[CO3]5F1.97. Collected by A.A. Konev in 1998. Pavel M. Kartashov identification, collection #2091 and photo.
© Pavel M. Kartashov	Photo ID: 106748    View Count: 197
Huanghoite-(Ce) : BaCe[F|(CO3)2], Röntgenite-(Ce) : Ca2(Ce,La)3[F3|(CO3)5], Aegirine : NaFe3+[Si2O6]
	East Mine, Bayan Obo (Bayun-Obo; Baiyunebo) deposit, Bayan Obo, Darhan Muminggan United Banner, Baotou League, Inner Mongolia Autonomous Region, China More finegrained and yellow rims of Huanghoite-(Ce) over massive grains of brownish Roentgenite-(Ce) in aegirine metasomatite. FOW ~6x4 mm. Pavel M. Kartashov microprobe identification, collection and photo.
© Pavel M. Kartashov	Photo ID: 104928    View Count: 248
Huanghoite-(Ce) : BaCe[F|(CO3)2]
	Bayan Obo (Bayun-Obo; Baiyunebo) deposit, Bayan Obo, Darhan Muminggan United Banner, Baotou League, Inner Mongolia Autonomous Region, China Yellow Huanghoite-(Ce) in matrix from Bayun Obo , Inner Mongolia, China. Size of specimen: 2 cm. Specimen and photo: Knut Eldjarn.
© Knut Eldjarn	Photo ID: 57249    View Count: 310
Huanghoite-(Ce) : BaCe[F|(CO3)2], Bastnäsite-(Ce) : (Ce,La)[F|CO3], Fluorite : CaF2, Aegirine : NaFe3+[Si2O6]
	East Mine, Bayan Obo (Bayun-Obo; Baiyunebo) deposit, Bayan Obo, Darhan Muminggan United Banner, Baotou League, Inner Mongolia Autonomous Region, China Analysed grain of huanghoite-(Ce) with composition (Ba.98Sr.02)1.00(Ce.42La.36Nd.14Pr.04Ca.04)1.00[CO3](F.87OH.0.09).96 in foliated huanghoite-bastnasite-fluorite-aegirine ore. FOV ~3x2 cm. Present of Dr. Oh Ming So from Taejon. Pavel M. Kartashov collection and photo.
© Pavel M. Kartashov	Photo ID: 104930    View Count: 186