Dear Sir,
Our results in Powder XRD Search Match Round Robin (SMRR-2002) 
were obtained using the search match program X'Pert Graphics and 
Identify by Philips and PDF-2 and are the follow:
 
SMRR1-
SiO2 (86-2237) quartz low
FeCO3 (83-1764) siderite
Fe3Al4(PO4)4(OH)6.2H2O (36-403)
Ca5F(PO4)3 (75-915) Fluorapatite
 
SMRR2
Octadecasil   C14H24F2N2O40Si20 tetragonal I4/m  (48-475)
 
SMRR3
Not identified
 
SMRR4
PbO (87-604)Litharge
Pb4O3.SO4.xH2O (29-781)