Mandala Gems
Hyalite Opal, also known as Kryptonite, Water Opal, Water Stone, Fluorescent Minerals
Hyalite Opal, also known as Kryptonite, Water Opal, Water Stone, Fluorescent Minerals
22 in stock
Discover the unique and mesmerizing beauty of Hyalite Opal, also known as Kryptonite. This exotic mineral is unlike anything else you’ve ever seen before, with a glass-like bubbly texture and even its very own fluorescent display.
Formed over many years from silica and other elements such as aluminum, iron and even uranium – yes, that’s right uranium! – this special opal makes for an extraordinary inclusion to any mineral collection. But is hyalite opal dangerous? Good news: while uranium gives rare hyalite opals their green fluorescence, the stones aren’t actually dangerous. The amount and type of uranium in the stone is astronomically small, and fully contained within the crystal.
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One-of-a-kind • Ships from USA • Secure checkout
Shipping & Processing
Shipping & Processing
In-stock items ship within 1–2 business days from Iowa.
Select partner items may ship within 3–5 business days
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Carefully packaged for safe arrival!
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Authenticity & Sourcing
Authenticity & Sourcing
Ethically sourced from trusted global suppliers
Non-conflict and responsibly mined materials when applicable
Most pieces include authentication paperwork
Each mineral is natural and one-of-a-kind
Handmade & Small Batch
Handmade & Small Batch
Handmade in Iowa and thoughtfully curated
We partner with skilled artisan makers and small businesses
Produced in small quantities, never mass manufactured
Designed and selected with intention and quality in mind
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