Measurements: 35 x 09 x 08 mm
Description: A gemmy aquamarine crystal with a few very small (?)goethite crystals on its surface. The specimen grew on and against another mineral, which then weathered away, leaving contact marks, and bits being partly under the aquamarine's surface. When tilted in light, a small rainbow can be seen near the termination.
The crystal has only a few very small nicks to the termination.
Weight of Specimen: 4.8 g
Chemical Composition: Be3Al2Si6O18
Hardness on Mohs Scale: 7.5 - 8.0
Location: Erongo Mountains, Erongo Region, Namibia.
Specimen Code: NERA 021
US $ 45