OPAB-R-02 Origin: India Grade: A Dimensions: Approximately 20-30mm Weight: Between 10 and 20g Origin: India Grade: A = good Small tumbled blue opal stone from India, 20-30mm Sold individually. Shapes and colors may vary from one stone to another. Opal comes from the Latin name "opalus" or the Greek "opallios." However, the original source is believed to be the Sanskrit word "upala," which translates to precious stone. Blue Opal displays a range of blue shades, from pale sky blue to deeper ocean-like tones. It is often associated with the throat chakra. Blue opal is believed to promote clear communication, enhance self-expression, and encourage the articulation of thoughts and feelings. It is also said to stimulate creativity and inspiration. As such, some use it as a tool to enhance imaginative thinking and artistic expression.