Penfield] 



777 



[Penfield 



On some minerals from the manganese mines of 



St. Marcel, in Piedmont, Italy. Amer. Jl. Sci., 46, 1893, 

 288-295. 



Contributions to the crystallization of willemite. 



Amer. Jl. Sci., 47, 1894, 305-309; Ztschr. Kryst., 23, 

 1894, 73-77. 



On the crystallization of herderite. Amer. Jl. Sci., 



47, 1894, 32^-389 ; Ztschr. Kryst., 23, 1894, 118-130. 



On argyrodite and a new sulphostannate of silver 



from Bolivia. Amer. Jl. Sci., 47, 1894, 451-454 ; Ztschr. 

 Kryst., 23, 1894, 240-248. 



On some methods for the determination of water. 



Amer. Jl. Sci , 48, 1894, 30-37; Ztschr. Anorg. Chem., 

 7, 1894, 22-32. 



On some devices for the separation of minerals of 



high specific gravity. Amer. Jl. Sci., 50, 1895, 446-448 ; 

 Ztschr. Kryst., 26, 1896, 134-137. 



- Partial report on calaverite crystals from Cripple 

 Creek, Colorado. [1895.] U. S. Geol. Surv. Rep., 

 1894-95 (Pt. 2), 135-13(5. 



On pearcite, a sulpharsenite of silver and on the 



crystallization of poly basite. [1896.] Amer. Jl. Sci., 2, 



1896, 17-29; Colorado Sci. Soc. Proc., 5 (1894-96), 210- 

 224 ; Ztschr. Kryst.. 27, 1897, 65-77. 



On the chemical composition of hamlinite and its 



occurrence with bertrandite at Oxford county, Maine. 

 Amer. Jl. Sci., 4, 1897, 313-316; Ztschr. Kryst., 28, 



1897, 588-591. 



On graftonite, a new mineral from Grafton, New 



Hampshire, and its intergrowth with triphylite. Amer. 

 Jl. Sci., 9, 1900, 20-32 ; Ztschr. Kryst., 32, 1900, 433- 

 445 ; 33, 1900, 673. 



On the chemical composition of sulphohalite. Amer. 



Jl. Sci., 9, 1900, 425-428; Ztschr. Kryst., 33, 1900, 523- 



526. 

 On the interpretation of mineral analyses : a criticism 



of recent articles on the constitution of tourmaline. 



Amer. Jl. Sci., 10, 1900, 19-32 ; Ztschr. Kryst., 33, 1900, 



527-541. 

 On the chemical composition of turquoise. Amer. Jl. 



Sci., 10, 1900, 346-350; Ztschr. Kryst., 33, 1900, 542- 



547. 



Contactgouiometer und Transporteur einfacher Con- 

 struction. Ztschr. Kryst., 33, 1900, 548-554. 

 See also under Oenth, Frederick Augustus. 

 Penfield, Samtn'l L[ewis], & Brush, George J[arvis], See 



Brush & Penfield. 

 Penfield, S:nnu<-l L[ewis], & Dana, Edward S[alisbury]. 



See. Dana & Penfield. 

 Penfield, Samuel L[ewis], & Poote, H[arry] Jl^arrf]. On 



rceblmgite, a new silicate from Franklin Furnace, N. J., 



containing sulphur dioxide and lead. Amer. Jl. Sci., 3, 



1897, 413-415 ; Ztschr. Kryst., 28, 1897, 578-580. 

 On bixbyite, a new mineral, and notes on the associated 



topaz. Amer. Jl. Sci., 4, 1897, 105-108 ; Ztschr. Kryst., 



28, 1897, 592-595. 

 Note concerning the composition of ilmenite. Amer. 



Jl. Sci., 4, 1897, 108-110; Ztschr. Kryst., 28, 1897, 596- 



597. 



On clinohedrite, a new mineral from Franklin, N. J. 



Amer. Jl. Sci., 5, 1898, 289-293; Ztschr. Kryst., 30, 

 1899, 587-591. 

 On the chemical composition of tourmaline. Amer. 



Jl. Sci., 7, 1899, 97-125. 



Penfield, Samuel L[ewin], & Forbes, E[dwin] H[orace]. 

 Fayalite from Rockport, Mass., and on the optical pro- 

 perties of the chrysolite-fayalite group and of mouticel- 

 lite. Amer. Jl. Sci., 1, 1896, 129-135 ; Ztschr. Kryst., 

 26. 1896, 143-149. 



Penfield, Samuel L[eicis], & Ford, W[illiam] E[benezer]. 

 Siliceous calcites from the Bad Lands, Washington 

 county, South Dakota. Amer. Jl. Sci., 9, 1900, 352-354. 



On some interesting developments of calcite crystals. 



R. 8. XVII. 



Amer. Jl. Sci., 10, 1900, 237-244; Ztschr. Kryst., 33, 



1900, 513-522. 

 Penfield, Samuel L[ewis], & Frenzel, A[ugust]. On the 



identity of chalcostibite ( wolf sbergite) and guejarite, and 



on chalcostibite from Huanchaca, Bolivia. Amer. Jl. 



Sci. , 4, 1897, 27-35 ; Ztschr. Kryst., 28, 1897, 598- 



609. 

 Penfield, Samuel L[ewis], & Oenth, Frederick Augustus. 



Sfe Oenth & Penfield. 

 Penfield, Samuel L[ewis], & Harper, D[avid] N[eil]. On 



the chemical composition of herderite and beryl, with 



note on the precipitation of aluminum and separation of 



beryllium and alumiuum. Amer. Jl. Sci., 32, 1886, 107- 



117. 

 On the chemical composition of ralstonite. Amer. 



Jl. Sci., 32, 1886, 380-385. 

 Penfield, Samuel L[ewis], & Hidden, William Earl. See 



Hidden & Penfield. 

 Penfield, Samuel L[ewis], & Howe, W[illiam] T[homas] 



H[ildrup]. On the chemical composition of chondrodite, 



hnmite and cliuohumite. Amer. Jl. Sci., 47, 1894, 188- 



206 ; Ztschr. Kryst., 23, 1894, 78-98. 

 Penfield, Samuel L[ev>it\, & Zddings, Joseph Paxson. See 



Iddings & Penfield. 

 Penfield, Samuel L[ewis], & Kreider, D[avid] Albert. 



Mineralogical notes. [1. On the identity of hydrofrank- 



linite and chalcophanite. 2. On the separation of 



minerals of high specific gravity by means of the fused 



double nitrate of silver and thallium.] Amer. Jl. Sci., 



48, 1894, 141-144. 

 Penfield, Samuel L[ewis], & Meyer, Otto. See Meyer & 



Penfield. 

 Penfield, Samuel L[ewis], & Minor, J[ohn] C[ranntll]. On 



the chemical composition and related physical properties 



of topaz. Amer. Jl. Sci., 47, 1894, 387-396 ; Ztschr. 



Kryst., 23, 1894, 321-329. 

 Penfield, Samuel L[wg], & Pearee, Stanley H[awken]. 



On poly basite an>i tennantite from the Mollie Gibson 



mine in Aspen, Colorado. Amer. Jl. Sci., 44, 1892, 



15-18. 

 Penfield, Samuel L[ewis], & Pratt, Joseph Hyde. On the 



chemical composition of staurolite and the regular 



arrangement of its carbonaceous inclusions. Amer. Jl. 



Sci., 47, 1894, 81-89; Ztschr. Kryst., 23, 1894, 64-72, 



657. 



Effect of the mutuil replacement of manganese and 



iron on the optical properties of lithiophilite and triphy- 

 lite. Amer. Jl. Sci., 50, 1895, 387-390 ; Ztschr. Kryst., 

 26, 1896, 130-133. 



On the occurrence of thaumasite at West Paterson, 



New Jersey. Amer. Jl. Sci. , 1, 1896, 229-233 ; Ztschr. 

 Kryst. , 26, 1896, 262-266. 



Penfield, Samuel L[ewis~], & Sperry, Erwin S. On the 

 chemical composition of howlite, with a note on the 

 Gooch method for the determination of boracic acid. 

 Amer. Jl. Sci., 34, 1887, 220-223. 



Mineralogical notes. Amer. Jl. Sci., 36, 1888, 317- 

 331. 



Penfield, Samuel L[ewis], & Sperry, Francis L. On 

 pseudomorphs of garnet from Lake Superior and Salida, 

 Colorado. Amer. Jl. Sci., 32, 1886, 307-311. 



Triclinic feldspars with twinning striations on the 

 brachypinacoid. Amer. Jl. Sci., 34, 1887, 390-393. 



Penfield, Samuel L\ewis], & Warren, C[harles] H[yde}. 



On the chemical composition of parisite and a new 



occurrence of it in Ravalli Co., Montana. Amer. Jl. 



Sci., 8, 1899, 21-24 ; Ztschr. Kryst., 32, 1900, 4-8. 

 Some new minerals from the zinc mines at Franklin, 



N. J., and note concerning the chemical composition of 



ganomalite. Amer. Jl. Sci., 8, 1899, 339-353 ; Ztschr. 



Kryst., 32, 1900, 227-242. 

 Penfield, Samuel L[ewis~\, & Wells, Horace L[emuel\. See 



Wells & Penfield. 



98 



