American Mineralogist, 2000, V 85, N 10, October.

R.T. Wilkin and H.L. Barnes 
Nucleation and growth kinetics of analcime from precursor Na-clinoptilolite
1329 

D.B. Dingwell, K.-U. Hess, and C.Romano 
Viscosities of granitic (sensu lato) melts: Influence of the anorthite
Component
1342 

Mohammad R. Ghorbani and Eric A.K. Middlemost 
Geochemistry of pyroxene inclusions from the Warrumbungle Volcano,
New South Wales, Australia
1349 

Ikuo Katayama, Christopher D.Parkinson, Kazuaki Okamoto,
Youichi Nakajima, and Shigenori Maruyama 
Supersilicic clinopyroxene and silica exsolution in UHPM eclogite and
pelitic gneiss from the Kokchetav massif, Kazakhstan
1368 

Elisabetta Brizi, Gianmario Molin, and Pier Francesco Zanazzi 
Experimental study of intracrystalline Fe2+-Mg exchange in three augite
crystals: Effect of composition on geothermometric calibration
1375 

Ishmael Hassan 
Transmission electron microscopy and differential thermal studies of
lazurite polymorphs
1383 

Cecilia Viti and Maria-Luce Frezzotti 
Re-equilibration of glass and CO2 inclusions in xenolith olivine: 
A TEM Study
1390 

Erik Wulff-Pedersen, Else-Ragnhild Neumann, Ernst A.J. Burke, Riccardo Vannucci,
Piero Bottazzi, Luisa Ottolini, Jon Gj?nnes, and Vidar Hansen 
Origin and structural character of ha?yness in spinel dunite xenoliths
from La Palma, Canary Islands
1397 

Mih?ly P?sfai, Thomas G. Sharp,  and Agnes Kontny 
Pyrrhotite varieties from the 9.1 km deep borehole of the KTB project
1406 

Agnes Kontny, Helga de Wall, Thomas G. Sharp, and Mih?ly P?sfai
Mineralogy and magnetic behavior of pyrrhotite from a 260 °C section at the
KTB drilling site, Germany
1416 

Kevin M. Rosso, Udo Becker, and Michael F. Hochella Jr. 
Surface defects and self-diffusion on pyrite {100}: An ultra-high vacuum
scanning tunneling microscopy and theoretical modeling study
1428 

Michael E. Fleet, Xiaoyang Liu, and Yuanming Pan 
Rare-earth elements in chlorapatite [Ca10(PO4)6Cl 2]: Uptake, site
preference, and degradation of monoclinic structure 
1437 

Bijaya B. Karki 
Thermal pressure in MgO and MgSiO3 perovskite at lower mantle
Conditions
1447 

Alexandre Gloter, Fran?ois Guyot, Isabelle Martinez, and Christian Colliex 
Electron energy-loss spectroscopy of silicate perovskite-magnesiowüstite
high-pressure assemblages
1452 

Scott Kroeker and Jonathan F. Stebbins 
Magnesium coordination environments in glasses and minerals: New insight from
high-field magnesium-25 MAS NMR
1459 

Martin Kunz, Thilo Arlt, and Jano Stolz 
In situ powder diffraction study of titanite (CaTiOSiO4) at high pressure 
and high temperature 

Sotaro Baba, Edward S. Grew, Charles K. Shearer, and John W. Sheraton 
Surinamite: A high-temperature metamorphic beryllosilicate from
Lewisian sapphirine-bearing kyanite-orthopyroxene-quartz-potassium
feldspargneiss at South Harris, N.W. Scotland
1474 

T. Hattori, T. Nagai, T. Yamanaka S. Werner, and H. Schulz 
Single-crystal X-ray diffraction study of FeGeO3 high-Pclinopyroxene (C2/c) 
up to  8.2 Gpa
1485 

Volker Kahlenberg, Reinhard X. Fischer, and Cliff S.J. Shaw 
High-pressure Ca4Al6O13: An example of a calcium aluminate with
three different types of coordination polyhedra for aluminum
1492 

Alessandro Pavese, Davide Levy, and Andreas Hoser 
Cation distribution in synthetic zinc ferrite (Zn0.97Fe2.02O4) from in situ
high-temperature neutron powder diffraction
1497 

Cristiane Casta?eda, Ester Figueiredo Oliveira, Newton Gomes, and Ant?nio Carlos
Pedrosa Soares 
Infrared study of OH sites in tourmaline from the elbaite-schorl series
1503 

F. Olmi, C. Viti, L. Bindi, P. Bonazzi, and S. Menchetti 
Second occurrence of okayamalite, Ca2SiB2O7: chemical and TEM
Characterization
1508 

G. Giuli , L. Bindi, and P. Bonazzi
Rietveld refinement of okayamalite, Ca2SiB2O7: Structural evidence for
the B/Si ordered distribution
1512 

Victor V. Subbotin, Stefano Merlino, Dmitry Yu. Pushcharovsky, Yakov A.
Pakhomovsky, Orazio Ferro, Alla N. Bogdanova, Anatoly V. Voloshin, 
Natalia V. Sorokhtina, and Natalia V. Zubkova 
Tumchaite Na2(Zr,Sn)Si4O11·2H2O A new mineral from carbonatites of
the Vuoriyarvi alkali-ultrabasic massif, Murmansk Region, Russia
1516 

Yaping Li, Sergey V. Krivovichev, and Peter C. Burns 
The crystal structure of thornasite, Na12Th3[Si8O19 ]4(H2O)18: A novel
interrupted silicate framework
1521 

Mark D. Welch, Mark A.Cooper, Frank C. Hawthorne, and Alan J. Criddle 
Symesite, Pb10(SO4)O7Cl4(H2O), a new PbO-related sheet mineral:
Description and crystal structure
1526 

A. Piotrowski, V. Kahlenberg,and R.X. Fischer 
Na2Ca2(P2O7)F2, the first diphosphate of the cuspidine family
1534 

Ann G. Wylie and Jennifer R.Verkouteren 
Amphibole asbestos from Libby, Montana: Aspects of  nomenclature
1540 

Michael E. Fleet 
Thermodynamics of multicomponent olivines and the solution properties
of (Ni,Mg,Fe)2SiO4 and (Ca,Mg,Fe)2SiO4 olivines - Comment
1543 

Marc M. Hirschmann 
Thermodynamics of multicomponent olivines and the solution properties
of (Ni,Mg,Fe)2SiO4 and (Ca,Mg,Fe)2SiO4 olivine - Reply
1548 

LETTER 


Michael J. Toplis, Simon C.Kohn, Mark E. Smith, and Iain J.F. Poplett 
Fivefold-coordinated aluminum in tectosilicate glasses observed by
triple quantum MAS NMR
1556 



NEW MINERAL NAMES
1561 

ERRATUM
1565 

MEMORIALS 


Philip E. Brown 
Memorial of Eugene N. Cameron, 1910-1999
1566 

F. Donald Bloss 
Memorial of Louis S. Walter, 1933-2000
1569 

Book Reviews
1570