A pale green Beryl gemstone from Itinga, Minas Gerais, Brazil.

Rising through the transparent gem are a series of parallel growth tubes, aligned with the crystal growth of the host and partially filled with brownish-yellow Limonite, a hydrated ferric oxide.

The tubes reach the surface of the stone, displaying interesting terminations and forming an attractive inclusion scene.
Images 4 to 7 are magnified views of the inclusions in this gem.

weight:  18.45 carats
shape:   Mixed oval cut
dimensions:   17.81 x 15.25 x 11.49 mm
treatment:  None