Carnelian 'AB' rolled 200g

Carnelian is a red stone, it owes its color to its concentration of natural iron oxide. Depending on the liveliness of the iron concentration, it can have a yellowish color or even brownish red. The virtues of this stone would make it possible to spread a feeling of appeasement, it would be favorable to studies and memorization efforts.
The largest deposits of Carnelian are found in Brazil.