Physical Characteristics: Oco Geodes are simply small geodes. It is sometimes spelled Ocho. Geodes are crystals of calcite, quartz, and other minerals inside a roundish 'shell'. These geodes have been cut in half to reveal the crystal formations inside.
Metaphysical Properties: Along with all the properties of Geodes, Oco Geodes are wonderful assistants for your professional life or in any situation where "victory" is desired (gambling, etc.). It can help bring a free spirit feeling, but at the same time the energy of trustworthiness and honesty.
Info from celestialrainbow.com