﻿im: 
  i 
  nsr 
  :e 
  jei 
  _a_ 
  id 
  s 
  . 
  

  

  RECENT 
  ADDITIONS 
  TO 
  STOCK. 
  Collected 
  by 
  Dr. 
  Foote 
  in 
  South- 
  

   west 
  Missouri. 
  

  

  CALCITE, 
  in...scalenohedrons 
  from 
  one 
  to 
  eighteen 
  inches 
  diameter, 
  con- 
  

   taining 
  "phantoms 
  of 
  Marcasite." 
  Some 
  of 
  the 
  larger 
  crystals 
  show 
  tints 
  of 
  ame- 
  

   thyst 
  and 
  honey-yellow, 
  divided 
  by 
  the 
  lines 
  of 
  Marcasite. 
  Single 
  crystals 
  and 
  

   groups, 
  25c. 
  to 
  $10.00. 
  

  

  Where 
  particularly 
  clear 
  or 
  finely 
  colored 
  material 
  was 
  found, 
  we 
  sacrificed 
  crys- 
  

   tallization 
  and 
  obtained 
  in 
  portions 
  of 
  large 
  crystals, 
  what 
  are 
  considered 
  to 
  be 
  the 
  

   most 
  beautiful 
  rhombs 
  of 
  Iceland-spar 
  ever 
  seen. 
  They 
  show 
  perfect 
  transparency 
  

   save 
  for 
  the 
  exquisite 
  coloring 
  of 
  yellow 
  and 
  various 
  amethyst 
  shades, 
  and 
  the 
  

   linings 
  of 
  brilliant 
  spear-shaped 
  Marcasite 
  crystals. 
  The 
  one 
  inch 
  cleavages 
  at 
  

   10c. 
  to 
  25c. 
  are 
  quite 
  as 
  fine 
  in 
  quality 
  as 
  the 
  larger 
  cabinet 
  specimens 
  and 
  make 
  

   a 
  novel 
  addition 
  to 
  the 
  collection 
  of 
  the 
  microscopist. 
  

  

  CALCITE 
  ON 
  GALENA. 
  Clear, 
  honey-yellow 
  scalenohedrons 
  scattered 
  

   over 
  groups 
  of 
  brilliant 
  Galena 
  cubes. 
  The 
  few 
  specimens 
  we 
  have 
  of 
  this 
  showy 
  

   type 
  are 
  going 
  rapidly. 
  $1.00 
  to 
  $5.00. 
  Small 
  twins 
  of 
  same 
  color, 
  quite 
  rare, 
  

   $2.00 
  each. 
  

  

  GALENA. 
  The 
  most 
  brilliant 
  cubes 
  .we 
  have 
  ever 
  seen, 
  50c. 
  to 
  $2.00. 
  

   Groups 
  of 
  curiously 
  elongated 
  and 
  distorted 
  cubo-octahedrons 
  with 
  Asphaltum, 
  new 
  

   and 
  rare, 
  25c. 
  to 
  $2.50. 
  

  

  Octahedrons, 
  of 
  large 
  size 
  and 
  sharp 
  angles 
  mounted 
  on 
  immense 
  Sphalerite 
  

   crystals, 
  the 
  whole 
  coated 
  with 
  naturally 
  associated 
  Asphaltum. 
  (The 
  latter 
  

   is 
  regarded 
  as 
  a 
  most 
  interesting 
  occurrence 
  and 
  has 
  recently 
  been 
  described 
  

   as 
  a 
  new 
  discovery 
  from 
  a 
  foreign 
  locality, 
  though 
  noted 
  by 
  Dr. 
  Foote 
  at 
  Oronogo, 
  

   Mo., 
  in 
  1814). 
  Shelf 
  and 
  drawer 
  specimens, 
  $1.50 
  to 
  $5.00. 
  

  

  CHALCOPYRITE 
  ON 
  RUBY 
  BLENDE. 
  Bright 
  crystals 
  of 
  the 
  

   former 
  are 
  arranged 
  over 
  the 
  blende 
  with 
  planes 
  parallel, 
  so 
  that 
  when 
  moved 
  in 
  

   the 
  sunlight 
  the 
  specimens 
  exhibit 
  a 
  most 
  beautiful 
  chatoyant 
  effect. 
  Rare, 
  $2.50 
  

   to 
  $5.00. 
  

  

  SPHALERITE. 
  Ruby 
  Blende; 
  also 
  very 
  large 
  and 
  symmetrical 
  crystals 
  

   of 
  Black 
  Jack, 
  50c. 
  to 
  $3.00. 
  

  

  For 
  other 
  arrivals 
  see 
  page 
  in 
  recent 
  numbers 
  of 
  this 
  journal. 
  

  

  Minerals 
  sent 
  on 
  Approval. 
  

  

  "Catalogue 
  of 
  Minerals." 
  128 
  pp. 
  illus., 
  10c; 
  bound. 
  20c. 
  

  

  Rare 
  and 
  Valuable 
  Books. 
  

  

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  Mines 
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  Baird, 
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  Land 
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  Boyle, 
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  5 
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  Buffon, 
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   Leenwenhoek, 
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  2 
  

  

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  Lembeye, 
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  140 
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  gilt, 
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  Observations 
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  17 
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  Percy, 
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  Richardson 
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  Smithsonian 
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  26 
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  Trans, 
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  Tryon, 
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  208 
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  plates, 
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  240 
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  gilt 
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  Wilson 
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  1, 
  1178 
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  37 
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  Dr. 
  A. 
  E. 
  FOOTE, 
  

  

  1224-26-28 
  ISTorth. 
  ITorty-ir-irst 
  Street^ 
  

   PHILADELPHIA, 
  PA., 
  U. 
  S. 
  A. 
  

  

  