Opal’s iridescent play of kaleidoscopic colour makes it one of the most magical gemstones ever discovered. With shimmers of multicolour often being compared to galaxies it is the lucky birthstone of October. The word comes from the Latin ‘opalus’ meaning ‘precious jewel’. Opal is given on the 34th wedding anniversary as a symbol of the vibrancy of a long marriage.
Mohs scale of mineral hardness: 5.5 – 6.5


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