Natural Australian Rainbow Opal
Natural Australian rainbow opals display the entire spectrum of the rainbow in a single, mesmerizing play of color. Sourced from legendary fields such as Coober Pedy, these transparent and translucent crystal gems allow light to pass through their silica structure, illuminating flowing spectral patterns. Every stone is guaranteed 100 percent natural and solid.
Filters
1.2ct Dark Opal Multicolor flash
AU$1,070
2.72ct Dark Opal MultiColor Fire
AU$1,035
10x5mm Crystal Opal Calibrated 7ct
AU$1,006
Flowing Spectral Displays and Luminous Beauty
Rainbow opals are unique because they showcase every single color of the visible spectrum within a single gem – from deep violet and blue to green, warm gold, and rare cherry red. This beautiful effect occurs because the sub microscopic silica spheres vary in size across the stone’s lattice, creating multiple distinct zones of diffraction.
We highly suggest readers check our detailed blog rainbow opals complete guide for mineral logical and cutting insights. These flowing spectral colors look highly spectacular when set in fine jewelry, especially custom pendants where light can pass through the transparent crystal body, making the rainbows practically sparkle from within. At Opal Galaxy, we source our rainbow opals directly from trusted miners on South Australian fields, ensuring authentic provenance and natural, untreated beauty.
Frequently Asked Questions
What defines a rainbow opal?
It is a precious opal displaying a continuous, flowing spectrum of colors from red to violet as it moves.
Where are rainbow opals mined?
The finest rainbow crystal opals are mined in the sedimentary basins of Coober Pedy, South Australia.
Are these rainbow colors natural?
Yes, every rainbow opal in our collection is 100 percent natural, solid, and untreated.