One (1) Fine Moldavite Tektite From Czech Republic - 5 Carats Go to amazon.com Related posts Which is the best moldavite stone authentic? Feature5 CARATS IS USUALLY 3/8"-1/2" DescriptionA beautiful Moldavite piece from Czech Republic in perfect condition. It was formed by a Meteorites impact. These range from 4-6 carats each and measure 1.6-2.4cm long.