# Search results of SQL query from the Crystallography Open Database # Date and time performed: 2026-02-07T07:42:22+01:00 # Query: # SELECT data.* # FROM # data JOIN jaltnames # ON altname = journal # WHERE # (status is null or status != 'retracted') and # (journal_id IN (SELECT DISTINCT(journal_id) FROM jaltnames WHERE altname LIKE 'American Mineralogist') AND volume = 29 AND duplicateof IS NULL AND (status is NULL OR status != 'errors') AND (method is NULL OR method != 'theoretical')) # ORDER BY file asc file,a,siga,b,sigb,c,sigc,alpha,sigalpha,beta,sigbeta,gamma,siggamma,vol,sigvol,celltemp,sigcelltemp,diffrtemp,sigdiffrtemp,cellpressure,sigcellpressure,diffrpressure,sigdiffrpressure,thermalhist,pressurehist,compoundsource,nel,sg,sgHall,sgNumber,commonname,chemname,mineral,formula,calcformula,cellformula,Z,Zprime,acce_code,authors,title,journal,year,volume,issue,firstpage,lastpage,doi,method,radiation,wavelength,radType,radSymbol,Rall,Robs,Rref,wRall,wRobs,wRref,RFsqd,RI,gofall,gofobs,gofgt,gofref,duplicateof,optimal,status,flags,svnrevision,date,time,onhold "9000028","3.073","","3.073","","52.78","","90","","90","","120","","431.643","","","","","","","","","","","","","2","R 3 m :H","R 3 -2""","160","SiC-IV","","","- C7 Si7 -","- C7 Si7 -","- C21 Si21 -","3","0.166667","","Ramsdell, L. S.","The crystal structure of alpha-SiC, type IV","American Mineralogist","1944","29","","431","442","","","","","","","","","","","","","","","","","","","","","","has coordinates","294031","2024-08-07","17:26:32","" "9000029","3.073","","3.073","","82.94","","90","","90","","120","","678.297","","","","","","","","","","","","","2","R 3 m :H","R 3 -2""","160","SiC-VI","","","- C11 Si11 -","- C11 Si11 -","- C33 Si33 -","3","0.166667","","Ramsdell, L. S.","The crystal structure of alpha-SiC, type VI","American Mineralogist","1944","29","","519","525","","","","","","","","","","","","","","","","","","","","","","has coordinates","294031","2024-08-07","17:26:32",""