Quartz or other mineral to which a thin film of gold has been applied, giving it a blue iridescent colour.
- Types will vary from time to time and may include quartz crystal, amethyst, rose quartz, aqua aura, and others.
- Aqua aura is quartz that has been specially treated with pure 24k gold which turns the clear quartz crystal this stunning blue iridescent color.
- I also want some aqua aura as I'm drawn to it every time I see it, and some opal aura, I've only seen it once but I really liked it.
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