Upper 



Gallery. 

 Wall-case 5 



216 



SEKPEXTINES, ETC. 



nated crystals of diallage, and a few veins of steatite. 

 Map 32. 



Minor 



19. — Dark reddish-brown serpentine, with a few 

 small crystals of diallage. The specimen exhibits a wea- 

 thered surface.— Maen Midgee, Kernick Sands, Lizard, 

 Cornwall. 



20. — Dark green and red serpentine, 



disseminated crystals of diallage. The specimen exhibits a 



containing 



Map 



Black Head, Lizard, Cornwall. 



21. — Green and red serpentine, with a few crystals 

 of diallage, and a weathered surface. — North of Poltreath 

 Lizard, Cornwall. 



22.— Green serpentine, with a few crystals of diallage. 



•Careglooz Point, St. Keverne, Cornwall. 



•Dark green serpentine, with a few minute 

 cracks filled with steatite. Map 31. (This serpentine 

 rises through hornblende slate and greenstone). — Porthalla, 

 St. Keverne, Cornwall. 



25. — Light green serpentinous rock, showing a wea- 



23 and 24. 



thered surface and 



containing 



small cracks filled with 



steatite; from the outer portion of the mass. Map 31. 

 Porthalla, St. Keverne, Cornwall. 



26. — Reddish-brown serpentine, with a few crystals 

 of diallage and veins of steatite. — Downas Cliff, St. Ke- 



Cornwall. 



Serpentinous rock, with a schistose structure. 



verne, 



27. 



Treraboe, Goonhilly Downs, Cornwall. 



28. — Dark reddish-brown serpentine, with a schistose 

 structure. — Treraboe, Goonhilly Downs, Cornwall. 



29. — Dark red and green serpentine with disseminated 

 crystals of diallage and veins of steatite. — Downas Cliff, 

 St. Keverne, Cornwall. 



30. — Part of a vein of steatite, polished, and con- 

 taining large angular fragments of green serpentine. Map 

 32. — Lizard, Cornwall. Presented by Lieut. Brewer, R.N. 



31. — Serpentine, with veins of asbestus Tredavoe, 



Goonhilly Down, Cornwall. 



• 



s 



w 



r 



$■■ 



ft 



-Xeai 



fir 



' 



structu 



The 



owing 



WtioD 



i. 





u 



