What's That Rock?Selenite
Also called: gypsum, satin spar, desert rose
A clear, colorless variety of gypsum that forms flat sheets and long blades. It is very soft.
How to identify Selenite
- Scratched by a fingernail
- Clear or milky blades and plates; splits into thin flexible sheets
- Light for its size
Often confused with
Real or fake?
- Heavy, very hard 'selenite' is probably something else
- Dyed or carved lamps are common; look for fingernail softness
Is Selenite valuable?
Inexpensive.
Typical retail prices
Rough$8–25per pound
Polished piece$5–50each
Collector specimen$5–60each
Typical retail ranges in US dollars, compiled from public dealer and marketplace listings in October 2026. Real prices vary widely with quality, size and origin. This is general information, not an appraisal.
What changes the price
- Form: long clear blades, 'desert roses' and large crystals cost more than small chips
- Clarity and size: clean, undamaged lamps and wands are priced by size
- Special sources: giant Naica crystals are museum items
- It is soft and dissolves in water, so careful storage keeps value
Uses
- Decorative pieces and lamps
- Gypsum products like plaster and drywall
Care
Do not wet it or soak it; it can dissolve and loses its shine. Wipe with a dry cloth.
Identifying a stone from a description or a photo is an estimate. Many stones look alike. Ask an expert or a gem lab before you buy, sell or rely on an identification.
Updated October 2026