I 



Catalogues of Rocks and Minerals, 271 



128. Several specimens of rock composed of well defi- 

 ned crystals of black hornblende imbedded in whit^ granu- 

 lar quartz, containing occasionally crystals of garnet and 

 spangles of mica. We scarcely know what to call this ag- 

 gregate. It forms very beautiful specimens, and looks asif 

 it might have belonged to gneiss, 



129. Rock composed of Tremollte, garnet and aciyno- 

 lite crystallized. 



»r _ 



120. Block Tourmaline in milky quartz — Hawley. 



131. Gneiss rock with hornblende — Plainfield. 



132. Irised Quartz— Plainfield. 



133. Mica slate — Cummington. 



lo4. Stalactite, (Lanesborough Cave) 



135, Rock composed of minute crystals of hornblende 



interspersed with granular quartz. 



136, Chlorite Slate (Cummington) 



137, Mica, nearly black, &;c. &c. 



IX. From Doctor T. D. Portek, 



Crystals of the Zircon of Buncomb County, North- 

 Carolina — specimens from this locality are described page 

 229, Vol. III.— Note. 



X, Doctor I. Allen, Brattleborough, Vt. 



L Schorl in Quartz, Brattleborough, Vt. large and fine. 



2. Hornblende, New-Fane, Vt. 



3. Staurotide in mica slate, Chesterfield, N. H. large 



crystals. 



4. Scaly Talc, New-Fane, Vt. 



5. Granite, Hinsdale, N. H. 



6. Zoisite, Wardsborough, Vl very large and distinct 



crystals. 



1. Acicular Actynolite in Talc, Newfane, very hand- 

 some. 



8. Mica, Hinsdale, N. H. 



Windha 



Q 



er, N. H. — Staurotide. 

 12, Sienite Newfane, Vt. 



Q 



I 



