412 



Proceedings of the Royal Irish Academy. 



Unistlicates. 





Olivine — 



Ifeionite — 





A. 1378°, Vesuvius. 



1281°, 



Vesuvius. 



B. 1363°, Yesnvius. 



C. 1372°, \ 



Nepheline — 





softens > Carthagena, Spain, 

 at 1342°, ) 



A. 1070°, 



B. 1059°, 



Arendal, Norw 

 Vesuvius. 



Garnet, Ahnandine — 



Sodalite — 





A. 1264°, — . 



A. 1133°, 



Vesuvius. 



B. 1268°, Dublin granite. 



B. 1127°, 



Vesuvius. 



C. 1263°. Bohemia. 



Leucite — 





Vesuvianite — 

 A. 1024°, Binn. 



1298°, 



Vesuvius. 



B. 1035°, Vesuvius. 



Adtdaria — 





JEpidote — 



A. 954°, Portrane. 



A. 1168° 



B. 1164°, 



Ceylon. 

 Switzerland. 



B. 976°, Arendal, Norway. 



Alhite— 





Zoisite — 



1172° 



Mourne Mount 



995°, — . 



Microcline — 





Dioptase — 



1169° 



BiuTientlial. 



1171°, — . 



Lahrodorite- 



_ 



Axinite — 



A. 1235° 



• 



995°, Switzerland. 



B. 1223°, 



Basalt, Howth. 



Tourmalines — 



A. 1018°, Schorl., Dublin. 



B. 1012°, Abs, Norway. 



C. 1068°, Eubbellite, Massa- 



chusets. 



D. 1102°, Dark green. 



E. 1013°, yellow. 



Cyanite — 



1090°, Donegal. 



SuBSIIICATES. 



Topas, infus. 



Titanite — 



A. 1142°, green, Switzerland. 



B. 1 1 27°, pink, Switzerland. 



Staurolite — 



1115°, Wicklow. 



Andalusite — 



1209°. — . 



