Aventurine
This stone belongs to the quartz family. It is a silicon dioxide mineral It
has a hexagonal structure and is crypto-crystalline
Descriptions: Green, peach
Hardness: 7
Found in: Brazil, India, Russia
Properties: It increases the capability of the intellect
Charka: Heart
Other Notes: Its name comes from the Italian ventura. Ventura is a form of glass discovered in 1700s
It is used in medicine wheels