Sixth Supplement to Dana’s Mineralogy. 355 
Levorre [p. bate and III, V].—The crystals from Kai serstuhl, of which an analy- 
sis by C. Sta is gi ner in Suppl. IV ae incorrectly attributed to Mr. Weltzien) 
d he 
Mac ie 105. and II, IV].—Octahed 
feebly magnetic and givi ared | wder, and conzequet possessing ‘the character- 
istics of hematite, emi? according to E. J. Chapman, (Canadian Journal, No. 16), in 
a feldspar boulder on Bass L Canada West. Prof Chapman suggests the ques- 
tion ‘ogo the coil 3 are godtaw pg 28a a magnetite, or octahedral sesqui- 
oxyd of iron, and favors the former conclusi 
cicias [p, 41].—Occurs with a at the mine Preciosa in the dis- 
trict of Puebla in Mexico. C. Bergmann, in L, & Br. Neues Jahrb., 1857, p. 394, 
where an . is tre 
ITE [p. 3 d IV ].—According os H. ca ee: vol., js on occurs in peti 
ass Was 
ahen through, and was said originally to hate ein as lange as a gsr head. Also 
wend in oy Nor th Mountains of Annapolis. specimen was impressed with a 
crystal of analcime, and had upon it a little stilbite, erway that the analcime 
Was first “dart Structure meeiy fine fibrous, radiated, an rea 
the. imes coarser columnar and nearly transparent. Composition, accor rdin 
Si Al Ca a Ht 
= Dried at 212°, - 84 2592 963 5°21 1211= 
27:04 =. 963 [4°45] oe atscac 10 00 
"% Dried over HSO,, & 41 2668 9°55 5°68 11-42==100°04 
whence the formula 8 (¢ Na+} Ca) Si+ 341 5i+ 8H. 
under this name, 
. It is from 
at ve been ft  é 
remarks that the removal of the lime of tremolite leads to the same composition. 
re is an approximation in constitution to tale or steatite.—p. ]. 
— nder Orthoc! 245 the foll 
green ou aldopuy yee : ve sere aie lu as in gta associated with Soiae 
and Bu dialyte, i= u. ht Zeit, xvii, 11): 0: ¢-%=90° 22/ and 89° 38’, and 
therefore triclinic. O:l'= 0’, 0: =112° 4 O:1- eek a4’, ix: ’=119° 
13’, I: ’=119° 4', I: este? iy” he feldspar contains much soda as 
potash, © position according to Mr. Utendérfer (Ibid, p. 
Bi Al Fe Oa Meg ‘- Na 
66°9 178 05 06 trace 8:3 65 
Specific gravity 2 Aerio This sashes 16, 15, SE ghaet x 244 rig ages 
feldspar, by Gmelin, referred to a : Ae ‘pon 
ine is associa ‘ated with sodalite in zircon-sy tendé 
found it to contain, 2 68°16, <1 eek 643, ote 472 (Ibid, p. 51). 
Motysprve [ —According to Breithaupt (Berg. u. hiitt. Zeit, xvii, 125), 
molybdine (M hes tenberg in Saxony crystallizes in trimetric prisms, having 
I: =136° ee i) fn and it a is therefore isomorphous se: valentinite (Se) Breithaupt 
remarks on ion in angle between romeine an scheelite, 
: the 
point beought out in the i, 197]. 
