- Beryl (Var: Aquamarine)
- Miniature, 4.1 x 4.1 x 2.8 cm
- Reynolds mine (Beryl Hill mine; Beryl ledge), Royalston, Worcester Co., Massachusetts, USA
Here is an old, very sharply euhedral aquamarine crystal of a light blue-green, locked in a quartz matrix but nicely exposed. The visible part of the crystal measures 2.3 cm. It actually has quite a good luster to it, as well.