1. 
   Myrmekite
   Myrmekite describes a vermicular, or wormy, intergrowth of quartz in plagioclase. The intergrowths are microscopic in scale, typically with maximum dimensions less than 1 millimeter. The plagioclase is sodium-rich, usually albite or oligoclase. These quartz-plagioclase intergrowths are associated w...
   Found op http://en.wikipedia.org/wiki/Myrmekite
   
   
2. 
   myrmekite
   irregular, wormy penetration by quartz in plagioclase feldspar; these wartlike, wormlike, or fingerlike bodies may develop during the late stages of ...
   Found op http://www.britannica.com/eb/a-z/m/148
   
   

Tip: double click on a word to show its meaning.