Mineralogical Magazine, 2000, V 64, N 6, Dec.

Phase transitions in perovskites near the tricritical point: an  
experimental study of KMn1 xCaxF3 and SrTiO3
M. C. Gallardo; F. J. Romero; S. A. Hayward; E. K. H. Salje; J.Del Cerro
971

In situ high temperature single crystal X-ray diffraction study of a
natural omphacite
A. Pavese; R. Bocchio; G. Ivaldi
983

The formation-dissolution-precipitation cycle of melanterite at the 
abandoned pyrite mine of Genna Luas in Sardinia, Italy: environmental
implications
F. Frau
995

CL for characterizing quartz and trapped fluid inclusions in  
mesothermal quartz veins: Muruntau Au ore deposit, Uzbekistan
T. Graupner; J. Götze; U. Kempe; D. Wolf
1007

A high-temperature hydrothermal origin for black dolomite matrix 
breccias in the Irish Zn-Pb orefield
J. J. Wilkinson; G. Earls
1017

Manganoan berthierine, Meyers Pass, New Zealand: occurrence in the  
prehnite-pumpellyite facies
D. S. Coombs; G. Zhao; D. R. Peacor
1037

Phase relations in the metal-rich portions of the phase system
Pt-Ir-Fe-S at 1000°C and 1100°C
E. Makovicky; S. Karup-Mřller
1047

An explanation for the origin of hemihedrism in wulfenite: the
single-crystal structures of I41/a and I4 tungstenian wulfenites
D. E. Hibbs; C. M. Jury; P. Leverett; I. R. Plimer; P. A. Williams
1057

Crystal chemistry of basic lead carbonates. I. Crystal structure of 
synthetic shannonite, Pb2O(CO3)
S. V. Krivovichev; P. C. Burns
1063

Crystal chemistry of basic lead carbonates. II. Crystal structure of
synthetic "plumbonacrite"
S. V. Krivovichev; P. C. Burns
1069

Crystal chemistry of basic lead carbonates. III. Crystal structures 
of Pb3O2(CO3) and NaPb2(OH)(CO3)2
S. V. Krivovichev; P. C. Burns
1077

Evidence for ice VI as an inclusion in cuboid diamonds from high P-T
near infrared spectroscopy
H. Kagi; R. Lu; P. Davidson; A. F. Goncharov; H. K. Mao; R. J.Hemley
1089

Crystal structure of Na4[Cu4O2(SO4)4] MeCl (Me: Na, Cu, Box) - the  
synthetic Na-analogue of piypite (caratiite)
V. Kahlenberg; A. Piotrowski; G. Giester
1099

On the symmetry of tsumcorite group minerals based on the new species  
rappoldite and zincgartrellite
H. Effenberger; W. Krause; H.-J. Bernhardt; M. Martin
1109

Interpretation of SHRIMP and isotope dilution zircon ages for the
Palaeozoic time-scale: II. Silurian to Devonian
W. Compston
1127

Exotic aluminium phosphates, natromontebrasite, brazilianite, 
goyazite, gorceixite and crandallite from rare-element pegmatites in
Namibia
J. R. Baldwin; P. G. Hill; O. Von Knorring; G. J. H. Oliver
1147

Wollastonite-bearing assemblages from the Dalradian at Fraserburgh, 
northeast Scotland and their bearing on the emplacement of
garnetiferous granitoid sheets
T. E. Johnson; N. F. C. Hudson; G. T. R. Droop
1165
Obituaries 
W. D. Birch; A. Pring
1177

Book Reviews  
1183

Erratum 
1196