Mineralogy and Petrology, 1999, V 67, N 1-2.

Determination of refractory gold distribution by
microanalysis, diagnostic leaching and image analysis 
K. Kojonen and B. Johanson 

Effect of mineralogy and texture in the TiO2 pigment
production process of the Tellnes ilmenite concentrate 
T. Chernet 

Mineralogy of beneficiation problems involving fluorspar
concentrates from carbonatite-related fluorspar deposits 
R. D. Hagni 

Influence of vibration grinding and calcination on the
physico-chemical properties of Egyptian kaolinite 
I. S. Ismael, M. K. Abd El-Rahman, and M S. Hassan 

On the binder of some ancient mortars 
M. Franzini, L. Leoni, M. Lezzerini, and F. Sartori 

Relationships among zirconosilicates: examination by
cathodoluminescence and transmission electron microscopy 
J. N. Roelofsen and D. R. Veblen 

Primary, agpaitic and deuteric stages in the evolution of
accessory Sr, REE, Ba and Nb-mineralization in
nepheline-syenite pegmatites at Pegmatite Peak, Bearpaw Mts,
Montana 
A. R. Chakhmouradian and R. H. Mitchell