FEATURED ARTICLE

Trapiche-Type Sapphire from Tasmania

___________________________

by Wim Vertriest, Supharart Sangsawong, and Vincent Pardieu

Trapiche and trapiche-type minerals are treasured for their beauty and unique patterns. The six-rayed spoke patterns occur in different minerals but are best known in emeralds. During a GIA field expedition to the Australian island of Tasmania, author VP was able to mine several sapphires…

Read more details downloading the following pdfs and Gem & Gemology publications:

___________________________

Read more

Article on GIA.EDU

Read more