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SECTION IV, — MINE RALS,— Continued. 
Sub-Section I. — Minerals which are either the components op rocks 
OR ARE FOUND EMBEDDED IN THEM, — Continued. 
70 Mica, a chromiferous variety called Fudisite 
in steatite. Minas Geraes, Brazil. 
71 Do. variety called Biotite. , Monte Somma, Vesuvius. 
72 Lepidolite or Litliia-Mica. Paris, Maine, TJ. S. A. 
73 Prelmite, with chlorite. Old Kilpatrick, Dumbartonshire. 
74 Brewsterite in crystals on gneiss. Strontian, Argylesliire. 
75 Heulandite, foliated, with calcite. Old Kilpatrick, Dumbartonshire. 
70 Stilbite with faroelite and chabasite, x Faroe Islands. 
77 Stilbite with apopkyUite. Isle of Skye. 
78 Harmotome on calcite. Strontian, Argyllshire. 
79 Mesolite with chabasite coating calcite. Co. Antrim, Ireland. 
80 Natrolite or Soda Mesotype on a grey 
phonolite. Holientweil, Wiirtemburg. 
81 Do, var. Galactite. Old Kilpatrick, Dumbartonshire. 
82 Analcime with prelmite and calcite. Do. Do. 
83 Gmelinite with natrolite in trap rock. Co. Antrim, Ireland. 
84 Olivine in grains. The Eifel, Khenish Prussia. 
85 Topaz in rhombic prisms terminated with 
pyramids, and exhibiting the character- 
istic vertical striae and basal cleavage. Minas Geraes, Braz‘1. 
86 Do. in variously modified crystals. Sclmeckenstein, Saxony. 
87 Do. in rolled pebbles. Tasmania. 
88 Zircon in square prisms with square 
pyramids. Henderson Co., N. Carolina, U. S. A. 
89 Do. in waterworn crystals. Ceylon. 
90 Do. variety called Hyacinth, from th? basahic toff of 
Auvergne, France. 
91 Ruby Spinel in octahedrons. Ceylon. 
91* Do. in macles. Do. 
