426 Scientific Intelligence. 
ane for eee — the pure white chladnite from the 
the meteorites, tates in his paper. In consequence of 
this, Prof, Smith crore in “his carefully made analysis no alumina and 
no om but cam the ingredients of a true enstatite, as he himself has 
anno De Ds 
4, On petal: of Rhombohedral and Dimetric species often optically bi- 
axial—Brurruaurr has published, in Poggendorf’’s Annalen, cxxi, 326, 
a Seance of the quartz of Euba (near Chemnitz in Saxony), which Prince 
Salm-Horstmar had found ied bd best a biaxial shige Ann., 6 334), 
and in it claims to ha ave firs et is observation he occu tr 
bout + per cent of o ies we iron. It occurs in four narrow veins . in. 
to 2 ft. thick), associated with a feldspar aioli Breithaupt pro 
scribe under the name of paradozite,—a mineral which he had hitherts 
found only in tin-veins, and which, even in the Euba veins, afforded some 
tin ore on pulverization and w ashing. ‘These tin-bearing veins of Euba 
occur in the Permian red sandstone (Rothliegende). 
Breithaupt observes also.that chalcophyllite, most apatite and —_ 
since so a sce by Rewer 
¢ also states that a grossular garnet from Siberia is uniaxial along one 
tetragonal rig sand that the manganesian garnet, of high specific gravity, 
is A an isotro 
Th tdticns froth the normal wriazial condition under the Di sae 
Shire observed. The amount of variation, uae is the point of greatest 
interest, is not mentioned by Breithaupt.—s. p. 
5. Geschichte der davies von 1650-1 360 | pegtt of Mineralogy 
from 1650 to 1860); by Franz von Kopett. 704 pp. 8vo, with 50 
iets ot Mi 1 lithographic ‘able Munich, 1864: J. G. Cotta. ie 
—a scholar in every sense o rm ra well oet)—an orl 
investigator—and a thorough mineralogist. His work is pam 
| div the od of the history ito 
progressing sciences of chemistry and 
sot the third, the Mirman! time, from 1800 to 1860. : 
