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Angelite
Authentic natural minerals, thoughtfully sourced and individually photographed.
Angelite is the trade name for a pale blue variety of anhydrite, a calcium sulfate mineral with the formula CaSO₄. It crystallizes in the orthorhombic system and registers just 3–3.5 on the Mohs hardness scale, making it a relatively soft and delicate stone that requires careful handling. Angelite's signature glacier-blue color is caused by trace amounts of celestine (strontium sulfate) within its structure. The primary commercial source is Peru, where it was first marketed in the 1980s.
As a variety of anhydrite, angelite is the dehydrated form of gypsum — literally "without water" — and it is not water safe. Prolonged exposure to water will cause angelite to rehydrate and convert back to gypsum, damaging the stone's surface and polish. This is an important care consideration for collectors. Despite its softness, angelite is valued for its serene, opaque blue color that is unlike virtually any other affordable mineral on the market. It takes a smooth, matte-to-waxy polish and is frequently carved into decorative shapes.
Our angelite collection features:
- Tumbled stones and palm stones
- Polished hearts and spheres
- Raw specimens
- Bracelets and jewelry
Explore the full collection below to find your perfect piece.
Know your crystal
Angelite
Angelite is the trade name for anhydrite — calcium sulfate that crystallized without water — found in its blue-grey form near Lima, Peru. It's a geological curiosity: given long exposure to moisture it slowly transforms into gypsum, a different mineral entirely. Keep it dry.
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