Small block of rough ametrine from Bolivia .
Unique deposit near Santa Cruz.
Formation can be explained by the difference in temperature between two geological layers.
Dimensions 3.5x5 cm.
Weight 28 gr.
Ametrine polished point and sawed at the base from Bolivia.
The deposit is located in Anahi east of Santa Cruz.
The temperature difference between two geological layers
seems to be the cause of its formation.
Dimensions approximately 45x50 mm.
Weight 101 gr.