Domestk, 403 



rrstaj 



W 



•ster, of Boston, and proves to be the " Prismatic Titanium 

 ore of Mohs, the Sphene or Titane sih'ceo calcaire." He 

 ■thinks there is also an oxide of Titaniimi in the rock. 



6. Cuanilc. — A specimen of it vras brought in town a 

 ortljme since, by the person who owns the place where 

 it is found. He thought it contauied silver or platina. 

 Nothing however was known concerning its situation. la 

 conipan}' with Mr. Amos Binnej, jr. of Boston, I visited the 

 place about three weeks ago. It is found on a Mr. Blan- 

 chand's land, in Foster, R. I. about twenty-one and a half 

 miles south-west of Providence. It was first observed by hira 

 three years ago, while engaged in digging a water-course for 

 a grist-mill. The specimens that we obtained had been 

 weathered for some time. Some of the specimens were 

 contained in quartz ; other pieces appeared to be compo- 

 sed entirely, or w a great measure of Cyanite, held together 

 by the intervention of small quantities of quartz. It occurs 

 in long lamellar masses, and in masses that bear evident 

 signs of irregular crystallization. Its colours are, a fine deep 

 blue, a pale blue, and a pale green. Same pieces have a 

 strong pearly white lustre, and are covered w^ith beautiful 

 blue stripes. There is a layer of black mica slate accom- 



pany mg It 

 It IS an 



EditQ7\ 



1 3. American Geological Society. 



The Cabinet of this Institution continues to receive valu- 

 able additions. A second collection of European rocks has 

 been received from its President, WilHani Maclure, Esq. 

 and this gentleman, in addition to the books formerly men- 

 tioned, ( VoL III. pa. 360,) has recently forwarded to the So- 

 ciety's Library eleven Vols- of the Revue Eocyclopedique, 

 from its commencement in January, 1818, to September, 

 J821; also, Vols. 89—90—01 and 92 of the Journal de 

 Physique, with the four last numbers of Vol. 37. - ^ 



The volumes from 54 to 87 w^anting to complete ihU 

 Journal, wiil be forwarded as soon as they can be obtained. 

 Valuable boxes of minerals, chiefly rock specimens, have 

 i)een received from Professor Olmstead, of Chapel-Hill, 



Vol. V. 52 



t 



H^-F 



