﻿Penfield 
  and 
  Warren 
  — 
  Minerals 
  from 
  Franklin^ 
  N. 
  J. 
  339 
  

  

  Akt. 
  XLI. 
  — 
  Some 
  neiD 
  Minerals 
  from 
  the 
  Zinc 
  Mines 
  at 
  

   FranMin^ 
  N. 
  «/., 
  and 
  Note 
  concerning 
  the 
  Chemical 
  Compo- 
  

   sition 
  of 
  Ganoinalite 
  ; 
  bj 
  S. 
  L. 
  Penfield 
  and 
  C. 
  H. 
  

   Warren. 
  

  

  The 
  minerals 
  to 
  be 
  described 
  in 
  the 
  present 
  paper 
  came 
  for 
  

   the 
  most 
  part 
  from 
  the 
  one-thousand-foot 
  level 
  of 
  the 
  Parker 
  

   Shaft 
  on 
  JN^orth 
  Mine 
  Hill. 
  Unfortunately 
  at 
  the 
  time 
  that 
  

   they 
  were 
  brought 
  to 
  the 
  surface, 
  about 
  two 
  years 
  ago, 
  the 
  fact 
  

   that 
  several 
  new 
  species 
  were 
  being 
  mined 
  was 
  not 
  known, 
  and 
  

   a 
  quantity 
  of 
  material, 
  which 
  it 
  is 
  believed 
  would 
  prove 
  to 
  be 
  

   very 
  profitable 
  hunting 
  ground 
  for 
  the 
  new 
  species, 
  was 
  thrown 
  

   upon 
  the 
  dump 
  and 
  subsequently 
  covered 
  up. 
  Our 
  attention 
  

   has 
  been 
  called 
  to 
  these 
  minerals 
  at 
  different 
  times 
  by 
  Messrs. 
  

   E. 
  P. 
  Hancock, 
  of 
  Burlington, 
  N. 
  J., 
  J« 
  J. 
  McGovern, 
  of 
  

   Franklin, 
  F. 
  L. 
  ^ason, 
  of 
  West 
  Haven, 
  Conn., 
  F. 
  A. 
  Canfield, 
  

   of 
  Dover, 
  K 
  J., 
  and 
  W. 
  M. 
  Foote, 
  of 
  Philadelphia, 
  Pa., 
  while 
  

   both 
  of 
  the 
  authors 
  at 
  separate 
  visits 
  to 
  the 
  locality 
  have 
  been 
  

   able 
  to 
  collect 
  a 
  few 
  specimens. 
  The 
  new 
  species 
  were 
  found 
  

   in 
  a 
  somewhat 
  limited 
  area, 
  and 
  it 
  is 
  especially 
  interesting 
  to 
  

   note 
  the 
  minerals 
  which 
  are 
  associated 
  with 
  them, 
  for 
  they 
  are 
  

   very 
  unusual 
  even 
  for 
  Franklin, 
  K. 
  J., 
  and 
  would 
  seem 
  to 
  

   indicate 
  that 
  peculiar 
  conditions 
  prevailed 
  during 
  the 
  period 
  

   when 
  these 
  minerals 
  were 
  being 
  formed. 
  The 
  associated 
  min- 
  

   erals 
  are 
  as 
  follows 
  : 
  Xative 
  lead"^ 
  and 
  copper,! 
  clinohedrite,:f 
  

   roeblingite,§ 
  axinite 
  in 
  transparent 
  yellow 
  crystals, 
  willemite 
  in 
  

   exceptionally 
  fine, 
  transparent 
  green 
  crystals, 
  vesuvianite, 
  dato- 
  

   lite, 
  barite, 
  garnet, 
  brownish-black 
  phlogopite 
  and 
  a 
  little 
  frank- 
  

   linite. 
  The 
  presence 
  of 
  axinite 
  and 
  datolite 
  containing 
  boron 
  

   and 
  of 
  phlogopite 
  would 
  seem 
  to 
  indicate 
  that 
  the 
  minerals, 
  

   part 
  of 
  them 
  at 
  least, 
  have 
  resulted 
  from 
  metamorphism 
  brought 
  

   about 
  by 
  the 
  action 
  of 
  intruded 
  igneous 
  masses 
  either 
  during 
  the 
  

   pneumatolitic 
  period 
  when 
  such 
  masses 
  were 
  giving 
  off 
  heated 
  

   aqueous 
  vapors 
  carrying 
  boron 
  and 
  fluorine 
  compounds, 
  or 
  dur- 
  

   ing 
  a 
  period 
  when 
  heated 
  waters, 
  laden 
  with 
  mineralizing 
  

   agents, 
  were 
  circulating 
  through 
  the 
  deposit. 
  

  

  1. 
  Hai!^cockite. 
  

  

  This 
  mineral 
  was 
  found 
  in 
  considerable 
  quantity 
  both 
  massive 
  

   and 
  in 
  cellular 
  masses 
  of 
  a 
  brownish-red 
  or 
  maroon 
  color, 
  and 
  

   attention 
  has 
  already 
  been 
  called 
  to 
  it 
  as 
  a 
  new 
  species 
  by 
  

   Penfield 
  and 
  Foote 
  in 
  their 
  description 
  of 
  clinohedrite.jj 
  Thus 
  

  

  * 
  This 
  Journal, 
  vi, 
  p. 
  187, 
  1898. 
  

  

  f 
  Proc. 
  Am. 
  Acad, 
  of 
  Arts 
  and 
  Sci., 
  xxxiii, 
  p. 
  429, 
  18 
  98. 
  

  

  X 
  This 
  Journal, 
  v, 
  p. 
  289, 
  1898. 
  

  

  §Ibid., 
  iii, 
  p. 
  413, 
  1897. 
  

  

  II 
  Loc. 
  cit. 
  

  

  