Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Jan Kanis"'
Publikováno v:
Macquarie University
In 2006, emeralds were discovered in the Fazenda Bonfim region of northeastern Brazil. Emerald mineralization occurs in association with small recrystallized pegmatitic bodies hosted by metamorphosed ultramafic rocks within the Santa Monica Shear Zon
Publikováno v:
Gems & Gemology. 33:80-100
Publikováno v:
Gems & Gemology. 32:80-99
Publikováno v:
The Journal of Gemmology. 22:264-272