The Rev. S. Haughton's Notes on Mineralogy. 49 



Omitting the alumina, the preceding analysis gives the rational 

 formula of the Hornblende family, 



4RO,3Si0 3 , 



and, taken as a whole, it agrees with the analysis of many Horn- 

 blendes. The variety of Hornblende with which it has the 

 closest relation is Anthophyllite. 



According to Mr. Greg's ' Catalogue of Meteoric Stones and 

 Irons/ three other falls of aeroliths are recorded as having oc- 

 curred in Ireland : — 



1. a.d. 1779, at Pettiswood, Westmeath; 6 oz. 



2. August, 1810, Mooresfort, Co. Tipperary; 7j lbs. Spec. 



grav. = 3-670. 



3. September 10, 1813, Adare, Co. Limerick; 17 lbs. -f 65 



lbs. +24 lbs. ; moving E. to W. Spec. grav. =3*64. 



4. April 29, 1844, Killeter, Co. Tyrone; fragments of one 



stone. Spec. grav. = 3*761. 



Of the meteorite that fell at Mooresfort, co. Tipperary, in 

 1810, the only analysis on record is one published by the late 

 Professor Higgins, in the forty-seventh volume of the 'Proceedings 

 of the Royal Dublin Society/ in whose museum the greater part 

 of this stone, and a cast of the entire, are carefully preserved. 

 My friend Mr. Robert H. Scott has undertaken to analyse a 

 portion of it afresh. 



Professor Higgins considered 35 per cent, of the stone to con- 

 sist of metallic particles separable by the magnet. This would 

 include the magnetic pyrites, iron, nickel, and chrome. In the 

 Tyrone meteorite examined by me, the iron, nickel, chrome 

 oxide, and magnetic pyrites amounted to 35*40 per cent., which 

 is very nearly the same proportion. 



Dr. Apjohn has published a detailed account of his analysis of 

 the Adare meteorite in the eighteenth volume of the 'Transactions 

 of the Royal Irish Academy/ from which it appears that the fol- 

 lowing is the mineralogical composition of that meteorite : — 



1. Meteoric iron and nickel . 23*07 



2. Magnetic pyrites . . . 4*38 



3. Chrome iron 3*34 



4. Earthy matrix .... 68*47 



5. Alkalies and loss .... 0*74 



100*00 



Its specific gravity varied from 3*621 to 4*230. The compo- 

 sition of 200 grs. of the matrix was found to be, — 



Phil, Mag. S. 4. Vol. 23. No. 151. Jan. 1862. E 



