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ANNALS NEW YORK ACADEMY OF SCIENCES 
Diabantite ? Sequent on datolite and gmelinite, Snake Hill. 
Epidote. Sequent on quartz (rare), Great Notch. 
Galena. Sequent on calcite, Homestead. 
Gmelinite. Sequent on calcite, datolite, heulandite and pectolite, 
Snake Hill (Plate XI, Fig. 4). 
Hematite. Transparent sequent on calcite and laumontite, ordinary on 
white and amethystine quartz, West Paterson. 
Heulandite. Sequent on calcite, West Paterson; on datolite, West 
Paterson and Snake Hill; on gmelinite, West Paterson; on pectolite, Ploxie’s 
quarry, Paterson, and West Paterson; on quartz, pseudomorphous, Hoxie’s 
quarry, Paterson; on quartz, crystallized, white and amethystine, West 
Paterson. 
Laumontite. Sequent on apophyllite, Snake Hill; on calcite, Great 
Notch; on datolite, Snake Hill; on gmelinite, Snake Hill; on heulandite, 
Hoxie’s quarry, Paterson, and Great Notch; on natrolite, Great Notch. 
Natrolite. Sequent on apophyllite, Snake Hill and Erie cut; on cal¬ 
cite, Snake Hill and Woodcliff; on datolite, Snake Hill and Erie cut; on 
diabantite, Shadyside and Woodcliff (Plate XII, Fig. 2); on pectolite, Snake 
Hill; ordinary and with fibrous terminations, on prehnite, Woodcliff and 
Bergen tunnel No. 2; fibrous on trap, Bergen tunnel No. 2. 1 
Pectolite. Sequent on calcite, Hoxie’s quarry (rare); and Woodcliff; 
on prehnite, Woodcliff (Plate XIII, Fig. 3); on quartz (pseudomorphous), 
West Paterson; on quartz (chalcedony), Hoxie’s quarry, Paterson; on 
thaumasite, West Paterson and Great Notch. 
Prehnite. Sequent on datolite, in crystals and globular, West Paterson, 
incrusting large crystals of datolite, Hoxie’s quarry, Paterson; on diabantite, 
Woodcliff; on pectolite and also pseudomorphous after a radiated mineral 
probably pectolite, West Paterson; on pectolite, Upper Montclair; on 
quartz crystals, in separate microscopic crystals (rare) in hemispherical 
forms and in incrustations with and without datolite (common), Great 
Notch; on scolecite, West Paterson. 
Pyrite. Sequent on analcite, Snake Hill (rare) and Erie cut (Plate XIII, 
Fig. 1); on apophyllite, in brilliant microscopic crystals, Snake Hill (com¬ 
mon), and Erie cut (Plate XIII, Fig. 1); on calcite, in microscopic cubes 
Shadyside; on plates and sealenohedrons, private quarry, Snake Hill; on 
rhombohedral crystals, Erie cut; on datolite in microscopic cubes, Snake 
Hill and Erie cut; on diabantite, in various forms, Shadyside; on heulan¬ 
dite, microscopic in cubes (common), in square prisms several diameters in 
length and in rectangular plates (rare), Shadyside (Plate XIII, Fig. 4); on 
1 In the collection of Mr. F. A. Canfield, Dover, N. J. 
