What is an opal and what does it mean spiritually for the person who wears one? The name opal crystal is derived from the Latin word opalus, which means precious stone. Precious opals are the most ...

Opals, associated with the zodiac sign Libra, are known for their emotional healing and creativity-boosting powers. Artists often use them to overcome creative blocks, while spiritual practitioners ...

Mysterious "halos" of rock surrounding cracks in a Martian crater may be made of water-rich opal gemstones, a new study suggests. When you purchase through links on our site, we may earn an affiliate ...