Sunstone
| Colour | Orange, Brown |
|---|---|
| Mohs hardness | 6.0–6.5 |
| Crystal system | Triclinic |
| Transparency | Transparent to translucent and opaque |
| Cleavage | 001 |
| Chemical formula | (Ca,Na)((Al,Si)SiO) |
| Specific gravity | 2.64–2.66 |
What is Sunstone?
Sunstone is a microcline or oligoclase feldspar, which when viewed from certain directions exhibits a spangled appearance. It has been found in Southern Norway, Sweden, various localities in the United States, and on some beaches along the midcoast of South Australia.
How to identify Sunstone
- Hardness: Mohs 6.0–6.5 — about as hard as a steel knife.
- Habit: Triclinic crystal system.
Sunstone value
Based on 100 recent eBay sold listings, a polished / carved Sunstone typically sells for $6–$11 (about $0.09–$0.27 per gram for raw material). After eBay fees a seller nets roughly $6 on a median piece.
| Recently sold | Weight | Sold | Date |
|---|---|---|---|
| Polished Crystal Obelisks / Towers - Choose Your Gemstone (Crafts, Art, Decor) | — | $10 | 2026-06-21 |
| 💎 4.90ct Round Cabochon Natural Orange 4 Ray Star Sunstone - Africa Gemstone | 1 g | $7 | 2026-06-21 |
| Sunstone Moonstone Sphere K235 | — | $8 | 2026-06-21 |
| 💎 3.06ct 10x8mm Oval Cabochon Natural Orange 4 Ray Star Sunstone - Africa Gem | 1 g | $7 | 2026-06-21 |
| 73g Natural Blue Apatite & Sunstone Mineral Blue Healing Tower Stone R661 | 73 g | $7 | 2026-06-21 |
| 185G Natural Blue Aptite +Sun Stone purple lepidolite Sphere mineral sample | 185 g | $11 | 2026-06-21 |
Typical recently-sold prices, 2026-06. Condition, size and quality vary widely, so this is an estimate, not an appraisal. See current sold listings on eBay ↗. Full value guide · how we work this out.
Sunstone in different forms
Stones often confused with Sunstone
Frequently asked questions
How hard is Sunstone?
Sunstone is Mohs 6.0–6.5 on the hardness scale.
What colour is Sunstone?
Sunstone is typically orange, brown (Colorless, orange, yellow, red, green, blue, brown, and copper shiller).