Alexandrite — specimen 0288, photo © NMNHS
Alexandrite — specimen 0288
Brazil, Minas Gerais, Antônio Dias, Hematita
Weight: 0.50 ct; size: 5.71 | 4.23 | 2.70 mm; shape: oval; colour: medium light very slightly bluish green; slightly greyish; clarity: eye clean; cut: excellent; treatment: none.
Very clean specimen; excellent mixed style cut. Identity certified by (AIGS) Asian Institute of Gemological Sciences laboratory, GB13090665. Source: David Weinberg, Multicolour Gems Ltd
More information from ‘Classification’
A green chromian variety of chrysoberyl; exibits a colour change in natural and artificial light. Named in 1842 by Nils Adolf Erik Nordenskiöld in honour of Alexander II of Russia.