55 

 ZEOLITE GR UP— Continued. 



Heulandite. — co7itinued. 



Clear white crystals, 



Jjoo., Ballintoy, Antrim. 



Obs., presented by Capt. James. 



Do. Large white and translucent crystals. 

 Obs., presented by Mrs. Chilcott. 



Laumonite. — Reddish-white and of pearly lustre. 

 Loc, America. 



Gi&MONDiTE. — White concretions in trap rock. 



Pectolite. — Beautiful white radiated mass. 

 Loc, Scotland. 



Gehlenite. — Small greenish crystals. 

 Jjoc, Tyrol. 



Apophyllite. — Small white pearly crystals. 

 Loc, Ovaranitz, Banat. 



Do. Very fine crystals. 



Loc, Hartz Mountains. 



Do. White and pearly crystals. 

 Loc, Ballintoy, Antrim. 

 Obs.^ presented by Capt. James. 



Do. {Albin) — White crystals in lava, with Natrolite. 

 Z/oc, Aussig, Bohemia. 



Do. (Do.) — White crystals, in lava. 

 itoo., Aussig, Bohemia. 



Do. (Do.) — White crystals, in lava. 

 Loc, Aussig, Bohemia. 



Do. (Do.) — White crystals, in lava. 

 Jjoc, Aussig, Bohemia. 



Harmatome. — Four-sided macled prisms. 

 Loc, Andreasberg, Hartz. 



Do. Brilliant macles. 

 Loc, Hartz. 



Datholite. — Bluish-white, in confused crystals. 

 Loc.^ Norway. 



Do. Fine crystals, with Botryolite. 

 Loc, Norway. 



