﻿ECONOMIC 
  GEOLOGY 
  233 
  

  

  ZINC 
  

  

  Sphalerite, 
  zinc 
  hlende; 
  sulphide 
  of 
  zinc. 
  Aissociated 
  with 
  

   galena 
  at 
  lead 
  mines 
  in 
  Sullivan, 
  Ulster 
  and 
  Orange 
  counties; 
  

   Aneram, 
  Columibia 
  oounty; 
  Flat 
  creek, 
  Montgomery 
  county; 
  

   Salisbury, 
  Herkimer 
  county; 
  Martinsburg, 
  Lewisburg, 
  Lewis 
  

   county; 
  Cooper's 
  Falls, 
  Mineral 
  Point, 
  and 
  in 
  Fowler, 
  St 
  Law- 
  

   rence 
  county. 
  

  

  MANGANESE 
  

  

  Wad, 
  earthy 
  manganese, 
  hog 
  manganese. 
  In 
  town 
  of 
  Austerlitz, 
  

   Columbia 
  county, 
  are 
  several 
  localities; 
  also 
  in 
  Hillsdale 
  and 
  

   Canaan, 
  same 
  county; 
  smaller 
  deposits 
  near 
  Houseville, 
  Lewis 
  

   county, 
  and 
  southeast 
  of 
  Warwick, 
  Orange 
  county. 
  

  

  NICKEL 
  

  

  Millerite, 
  sulphide 
  of 
  nickel. 
  Sterling 
  iron 
  mine, 
  Antwerp, 
  Jeffer- 
  

   son 
  county, 
  famous 
  for 
  crystalline 
  forms. 
  

  

  MOLYBDENUM 
  

  

  Molybdenite; 
  sulphide 
  of 
  molybdenum. 
  West 
  Point 
  and 
  near 
  

   Warwick, 
  Orange 
  county; 
  Philips 
  mine, 
  Putnam 
  county; 
  Clinton 
  

   county, 
  but 
  sparingly, 
  in 
  granite 
  rocks. 
  

  

  NON-METALLIC 
  MINERALS 
  

  

  Under 
  the 
  head 
  of 
  non-metallic 
  minerals 
  which 
  have 
  a 
  com- 
  

   mercial 
  value 
  but 
  do 
  not 
  occur 
  in 
  New 
  York 
  in 
  a 
  quantity 
  large 
  

   enough 
  to 
  be 
  of 
  economic 
  importance, 
  may 
  be 
  enumerated 
  apatite, 
  

   asbestus, 
  barite, 
  biotite, 
  calcite, 
  fluorite, 
  magnesite, 
  muscovite 
  and 
  

   serpentine. 
  The 
  principal 
  localities 
  for 
  these 
  minerals 
  are 
  given 
  

   herewith 
  : 
  

  

  Apatite; 
  phosphate 
  of 
  lime. 
  Hammond, 
  St 
  Lawrence 
  county, 
  

   crystalline, 
  with 
  calcite, 
  zinc 
  ore 
  and 
  feldspar; 
  near 
  Gouverneur, 
  

   St 
  Lawrence 
  county, 
  crystals 
  in 
  calcite, 
  Vrooman 
  lake, 
  Jefferson 
  

   county; 
  Greenfield, 
  Saratoga 
  county; 
  near 
  Hammonds 
  ville, 
  

   Essex 
  county; 
  with 
  magnetite 
  in 
  some 
  of 
  iron 
  ores 
  near 
  Port 
  

   Henry; 
  other 
  localities 
  of 
  occurrence. 
  

  

  Barite, 
  harytes, 
  heavy 
  spar; 
  sulphate 
  of 
  baryta. 
  Aneram, 
  Colum- 
  

   bia 
  county; 
  near 
  Schoharie 
  Courthouse, 
  with 
  strontianite, 
  in 
  the 
  

  

  