Page:Transactions of the Provincial Medical and Surgical Association, volume 2.djvu/172



Axinite─Botallack, Trewellard, Roscommon Cliff The Greebrock in Mount's Bay.

Clay Slate─Nearly all the rocks except the Granite and Greenstone.

Lithomarga─Cook's Kitchen and Tincroft Mines.

Augite─St. Just.-Hornblende, Huel Cock Cliff

Tremolite─Botallack.

Aclinolite─St. Just, the Greek-rock in Mount's Bay.

Asbestas─St. Just.

Pinile─in the Granite at Trewellard, Tol-Pedn-Penwith, St. Michael's Mount, and many parts near the Landsend.

Topaz─small white, at St. Michael's Mount.

Beryl─Ditto, Ditto.

Mica─in the granite in general, in hexagonal plates and prisms in St. Just, in veins at St. Michael's Mount.

Felspar─in the granite, in very large crystals at St. Buryan, in smaller crystals at St. Just, Penberthy Crofts, Trevaskus.

Tale─in Huel Cock.

Steutite─Botallack, Carnyorth, Tincroft.

Chlorile─in much of the granite; granular in the heaps of the Wherry Mine, near Penzance; laminated at Relistian; crystallized at Roskear. Earthy chlorite occurs in the tin veins of St. Just.

Schorl─in much of the granite; radiated near the Logan Rock; stellated at Huel Cock; crystallized at the Bunny; frequently with quartz forming shorl-rock.

Needlestone─at Botallack.

Analcime─St. Just.

Pitchstone─Huel Edward.

Tourmaline─St. Just.

Calcareous Spar─in veins and crystallized, St. Just.

Schiefer spar─St. Just.

Arragonite─in needle crystals, and also botryoidal, Huel Edward, and in hexagonal prisms and rhomboids, white and deep red, Levant-and brownish white in the rocks near Hayle.

Flos ferri─Levant.

Pearlspar─Huel Castle, Huel Owls, Huel Fortune.

Apatite─white and green, St. Just; green, beautifully crystallized, St. Michael's Mount.

Fluor─in many of the copper veins; compact and crystallized in Botallack, in the tin veins of Dingdong, and other mines.