












Niggli: Die Bedeutung des Lauediagrammes für die Kristallographie. 393 
Tabelle 1. 
Formel | Fa Dimensionen (Länge in A=10-8 cm) . System 
aan a=b=e=3H1Ä 
Re er aa aie a=b=ce=10% 
RE RT G= b= o= 4.05 
BPP Sy ir, are 4 peer Sh 0= 5,56 
— Co elit achat treet eR Sp OTe (4) Ce C= 3,7 
Nieten. TRIERER is 0D — 3,53 
“Pb... nee ae Si ar ae = 70210 = 491 
UN Geo 00 eee aU OE 
een Gio O14, 07 
ER Est en => 0 = 5,56 hy 90° kubisch 
lu Fats an @==b.02=8,50 
NW er een Pf abo = 430 
OT RIESTER (2) $= bao 991 
ER MeO BA tc Ne es Lee a 2:86 
ee Ea, Lh tie ates er ee a=b=c=2,76 
ER RA nn C=O = 318 
ec Diamant. ......., ,.:. s=b=e—=353 
Nee Er (8) eb=0o=H43 
i SHE ER cial. aye 6 o's cated cre Geb 6 —-6 46 
.. ¢ Sn (weiß) ET c,h 3x cata (3) E0584 ei a bay 90° tetragonal 
Men ae Ce ees (2) a = b = 3,22, c= 5,28 
OO 5 er See (2) = b= 269 o= 4) ia b= 90, y¥ = 60° hexagonal 
= Osmiridium............ (2) a—b=2,90, c= 4,60 
.. As metallisch.......... ee ee 414 ce pH y= 54° 8” 
© 8b metallisch.......... =) a=—6=c=4.50, w= B= y= 56° 37’ : 
ie Bi metallisch „2... | o= be 4,72, a= 6 = y =57° 16" Pee eee 
eC; -Granbit..6 65 <0 ewes 02 (2) Tetra —y¥ = 89°45! 
EEE a=b=c=4,02 
GROTH ene ay Se eee Oa ee 1 
PEARS I ine pee ee ae VE. Al 
2 RT RE a= B76 <= 5,99. 
Ng Ween aiken FR oe b=.0=4063 
ul a TE RER _ : a=b=e=5,63 
2 N = 0 = 6= 5,95 
en (4) a=b=c=6,5\u=ß=y=% kubisch 
ee ARS aarp es PeCE ehe Ae —=b>.0=5,88 
Pe Se Re oe er Er Veh 067 
Nee IOS ECE Ser eb ta + vb 6 =.-6,57 
(nese 70 Wiig anes eS 67.04 
BRHO:T aes Nr i eb =o =f57 
Rb Brow. AR Seger ER ade 6,97, 
RUD de. test ciate tte tt eee CROC Toe 
MgO: 2525 a (4) Eee ee 499; C= py. = 90° ; kubisch 
Pias is. erh cee ts (4) Get e = bO4, k= py = 90° kubisch 
ZnS Zinkblende..... BE TIE pete Ca) Nige Ue 6 — 5 4 oo hy =. 90° kubisch 
= FAO Peer Tee re ; ne ae (2) were Fo Bd, Y = 60° hexagonal 
SNP EES poe op Wares oar ae ca) weh — 457, 6 — 7,60,.0-= 90°, E60 hexagonal 
Eon Ben = == (2) &= b = 3,46, c— 5,33, a = B — 90°, y = 60° hexagonal 
ala. ches ie POUR ore Bee — 0 — 547, 0 BY. = 90° kubisch . 
| ES OTS PER ol (22 aa eS RE nd | 
ee pe pn! ae en 
EOS Rutil... 25% een) “) a2) — 4,62, 0 — 2,91, o= B= y= 90% - tetragonal 
TiOg Anatas ... 0.20.65. . (8) eb — pT, —9,57,-a=— Bay = 90° j | tetragonal 
ER RE (2) Gos Ua 4:67,.c — 314 ; tetragonal 
: oT een cap 1 (8)? Sata b= 9,90, c— 5,87 + os P= y— 908 . tetragonal 
BERG: 2:2 ER: a ate) = 9,60, ¢ 6,94 tetragonal 
E80, Quarz... „5.42 lg) = 0 — 4,88, ¢ — 5,37, a— b= 90°, -y¥ = 60° hexagonal 
Nw, 1922. . 50 
