Sentence Examples


  • PHARMACOSIDERITE, a mineral species consisting of hydrated basic ferric arsenate, 2FeAs04 Fe(OH)3.5H20.
  • A curious property is to be observed when a crystal of pharmacosiderite is placed in a solution of ammonia - in a few minutes the green colour changes throughout the whole crystal to red; on placing the red crystal in dilute hydrochloric acid the green colour is restored.
  • Pharmacosiderite is a mineral of secondary origin, the crystals occurring attached to gozzany quartz in the upper part of veins of copper ore.
  • Normal ferric arsenate, FeAs0 4.2H2O, constitutes the mineral scorodite; pharmacosiderite is the basic arsenate 2FeAsO4Fe(OK)3.5H2O.
 
 

How would you define pharmacosiderite? Add your definition here.

comments powered by Disqus

Also Mentioned In