LThe classical specimens collected at Xianghualin mine are made of light green cubes, often transparents, on a white quartz matrix.
Here, it is a twin, said "Cumberland type". It has a good shape, and a parallelipipedic cristal is disposed just near the twin.
A small silice layer is on 3 fces of the twin. it gives to it a nice volume. The crystals are gem.
Alain Martaud collection

overall size : 10,5 x 6 x 5 cm
biggest edge of the twin: 2 cm

Localité : Xianghualing Mine - Hunan - Chine