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Practice Reading: Fill in the Blanks (Dropdown) ID: #6346 July Prediction Emerald
Instructions
Emerald  is  defined  by  its  green  color.  To  be  an  emerald,  a  specimen  must  have  a    green  color  that  falls  in  the  range  from  bluish  green  to  green  to  slightly  yellowish  green.  To  be  an  emerald,  the  specimen  must  also  have  a  rich  color.  Stones  with  weak  saturation  or  light  tone  should  be  called  green  beryl.  If  the  beryls  color  is  greenish  blue  then  it  is  an  aquamarine.    it  is  greenish  yellow  it  is  heliodor.  This  color    is  a  source  of  confusion.  Which  hue,  tone,  and  saturation  combinations  are  the  dividing  lines  between  green  beryl  and  emerald?  Professionals  in  the  gem  and  jewelry  trade  can  disagree  on  where  the  lines  should  be  .  Some  believe  that  the  name  emerald  should  be  used  when  chromium  is  the  cause  of  the  green  color,  and  that  stones  colored  by  vanadium  should  be  called  green  beryl.  Calling  a  gem  an  emerald  instead  of  a  green  beryl  can  have  a  significant    upon  its  price  and  marketability.  This  color    exists  within  the  United  States.  In  some  other  countries,  any  beryl  with  a  green  color  -  no  matter  how  faint  -  is  called  an  emerald.

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