American Mineralogist, 1998, V 83, N 11-12, Part 2.

Bertrand Devouard, Mih·ly PÛsfai, Xin Hua, Dennis A. Bazylinski, Richard B.
Frankel, and Peter R. Buseck
Magnetite from magnetotactic bacteria: Size distributions and twinning 
1387

Danielle Fortin, F. Grant Ferris, and Steven D. Scott
Formation of Fe-silicates and Fe-oxides on bacterial surfaces in samples
collected near hydrothermal vents on the Southern Explorer Ridge in the
northeast Pacific Ocean 
1399

Chuanlun Zhang, Hojatollah Vali, Christopher S. Romanek, Tommy J. Phelps,
and Shi V. Liu
Formation of single-domain magnetite by a thermophilic bacterium 
1409

D. Ann Brown, J.A. Sawicki, and Barbara L. Sherriff
Alteration of microbially precipitated iron oxides and hydroxides 
1419

John M. Zachara, James K. Fredrickson, Shu-Mei Li, David W. Kennedy, Steven
C. Smith, and Paul L. Gassman
Bacterial reduction of crystalline Fe3+ oxides in single phase suspensions
and subsurface materials 
1426

Katrina J. Edwards, Matthew O. Schrenk, Robert Hamers, and Jillian F.
Banfield
Microbial oxidation of pyrite: Experiments using microorganisms from an
extreme acidic environment 
1444

Matthew J. Kohn, Lee R. Riciputi, Debra Stakes, and Daniel L. Orange
Sulfur isotope variability in biogenic pyrite: Reflections of heterogeneous
bacterial colonization? 
1454

Mih·ly PÛsfai, Peter R. Buseck, Dennis A. Bazylinski, and Richard B.
Frankel
Iron sulfides from magnetotactic bacteria: Structure, composition, and
phase transitions 
1469

Pieter T. Visscher, R. Pamela Reid, Brad M. Bebout, Shelley E. Hoeft, Ian
G. MacIntyre, and John A. Thompson Jr.
Formation of lithified micritic laminae in modern marine stromatolites
(Bahamas): The role of sulfur cycling 
1482

Johnson R. Haas, Elizabeth H. Bailey, and O. William Purvis Bioaccumulation
of metals by lichens: Uptake of aqueous uranium by Peltigera membranacea as
a function of time and pH 
1494

Kimberly K. Yates and Lisa L. Robbins
Production of carbonate sediments by a unicellular green alga 
1503

I. Sarashina and K. Endo
Primary structure of a soluble matrix protein of scallop shell:
Implications for calcium carbonate biomineralization 
1510

R.E. Blake, J.R. OÌNeil, and G.A. Garcia
Effects of microbial activity on the 18O of dissolved inorganic phosphate
and textural features of synthetic apatites 
1516

J.R. Rogers, P.C. Bennett, and W.J. Choi
Feldspars as a source of nutrients for microorganisms 
1532

Philippa J.R. Uwins, Richard I. Webb, and Anthony P. Taylor
Novel nano-organisms from Australian sandstones 
1541

W.W. Barker, S.A. Welch, S. Chu, and J.F. Banfield
Experimental observations of the effects of bacteria on aluminosilicate
weathering 
1551

Inga Larsen, Brenda Little, Kenneth H. Nealson, Richard Ray, Alan Stone,
and Juihan Tian
Manganite reduction by Shewanella putrefaciens MR-4 
1564

G.J. Brouwers, J.P.M. de Vrind, P.L.A.M. Corstjens, and E.W. de Vrind-de
Jong
Involvement of genes of the two-step protein secretion pathway in the
transport of the manganese-oxidizing factor across the outer membrane of
Pseudomonas putida strain GB-1 
1573

Esther R. Angert, Diana E. Northup, Anna-Louise Reysenbach, Andrew S. Peek,
Brett M. Goebel, and Norman R. Pace
Molecular phylogenetic analysis of a bacterial community in Sulphur River,
Parker Cave, Kentucky 
1583

Patricia Lynne Siering
The double helix meets the crystal lattice: The power and pitfalls of
nucleic acid approaches for biomineralogical investigations 
1593