292 ANALYSES OF ROCKS AND MINERALS, 1880—1908. 
E. Lucasite. Described as a new species by Chatard in Bull. 42. Analysis by 
T. M. Chatard. From Corundum Hill, North Carolina. Sp. gr., 2.613 at 25.5°. 
H20 at 105°... 
HiO2abOvedOo = sccssacccaceqatiacuccmasaes savancecableiodacse ste 
21.14 
100. 87 
F. Hallite from Nottingham, Chester County, Pennsylvania. 
G. White lennilite from Lenni, Delware County, Pennsylvania. 
H. Brown lennilite, same locality. 
I. Green lennilite, same locality. 
Analyses F to I by E. A. Schneider. Discussion by Clarke and Schneider in 
Bull. 90. 
F G. H I 
LO aise cape cussincicinyoeus dino Scie aint Seaas wad ee Bee eee aia sein oa eee aaa 34. 90 
A Og te.ciccecreeesssrast -10 
AlO3 10. 60 
Fe203 8.57 
Cr203 23 
FeO. 22 
MnO -17 
NIQs cssnciciorarisecincta catamaran sates 19 
MEO) ose ieceressie.stassiess qheseigon fisrataystereretenseete 28. 21 
BGO :i0s cole ieremre etn ox neengameeeaeeniaks iste awa leuneas ss apteerescelayersetelerecac|| CEACE: freracec 
H20 at 105°....... NS . 5 4,99 
H20 above 105° 11. 48 
99. 66 
J. A vermiculite from Newlin, Chester County, Pennsylvania. 
K. Painterite from Middletown, Delaware County, Pennsylvania. 
L. Another sample of painterite. 
Analyses J, K, L, by E. A. Schneider. Discussion by Clarke and Schneider in 
Bull. 90. 
M. Hydromica from Rocky Hill, New Jersey. Analysis by George Steiger. De- 
scribed by Clarke and Darton in Bull. 167. 
N. Analysis M corrected by deduction of calcite, union of like radicles, and recal- 
culation to 100 per cent. 
QO. Protovermiculite from Magnet Cove, Arkansas. Analysis by E. A. Schneider. 
Discussed by Clarke and Schneider in Bull. 90. 
