How Much Is Celestite Worth?
Also known as Celestine
Celestite (celestine) is a delicate sky-blue strontium-sulfate mineral, most famous as the pale-blue crystal-lined geodes from Madagascar. It's mid-range and popular for display: small tumbled pieces and clusters sell for $5–$30, hand-size geode halves for $20–$100, and large, richly colored geodes or fine sharp crystals for $80–$400+. Value comes from color (soft, even sky-blue is most desirable — much celestite is pale or nearly colorless), crystal clarity and sharpness, geode size, and how well the crystals are preserved. Celestite is soft (Mohs 3–3.5) and somewhat brittle, and its color can fade with prolonged sunlight exposure, so undamaged, well-colored specimens carry a premium. The large Madagascar geodes dominate the decorative market.
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Celestite value by type
| Type | Typical price |
|---|---|
| Tumbled / small clusters | $5 – $30 |
| Geode halves (hand-size) | $20 – $100 |
| Large geodes | $80 – $400 |
| Fine sharp crystals | $50 – $300+ |
Educational ballparks for typical specimens — not a formal appraisal.
What drives celestite value
- Color. Even, soft sky-blue is most prized; much celestite is pale or colorless.
- Crystal quality. Sharp, glassy, undamaged crystals beat cloudy or chipped ones.
- Geode size. Larger, fully crystal-lined geodes command more.
- Preservation. Undamaged, unfaded specimens are worth more (color fades in sunlight).
Is your celestite real?
Celestite is rarely faked, though pale material is occasionally dyed to boost the blue. Genuine celestite is soft (Mohs 3–3.5 — scratches with a knife), has a glassy luster, and its natural blue is soft and even, not neon. Vivid, saturated blue on a cheap geode can indicate dye.
FAQ
- Is celestite the same as celestine?
- Yes — 'celestite' and 'celestine' are two names for the same strontium-sulfate mineral.
- Does celestite fade?
- Its soft blue can fade with prolonged direct sunlight, so display it away from strong light to preserve the color.