Garnet
| Colour | Red, Blue |
|---|---|
| Mohs hardness | 6.5–7.5 |
| Lustre | vitreous to resinous |
| Streak | White |
| Crystal system | Isometric |
| Transparency | Can form with any diaphaneity, translucent is common |
| Cleavage | Indistinct |
| Fracture | conchoidal to uneven |
| Chemical formula | X₃Z₂(SiO₄)₃ (garnet group) |
| Specific gravity | 3.1–4.3 |
What is Garnet?
Garnets are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives.
How to identify Garnet
- Lustre: vitreous to resinous.
- Hardness: Mohs 6.5–7.5 — hard enough to scratch glass.
- Streak: White.
- Habit: Isometric crystal system.
Garnet value
Based on 100 recent eBay sold listings, a raw / cluster Garnet typically sells for $10–$22 (about $0.08–$0.24 per gram for raw material). After eBay fees a seller nets roughly $9 on a median piece.
| Recently sold | Weight | Sold | Date |
|---|---|---|---|
| 925 Sterling Silver Ring Round Mozambique Garnet 5mm Natural Gemstone Jewelry 6 | — | $11 | 2026-06-21 |
| 925 Sterling Silver Pendant Round Mozambique Garnet 5mm Natural Gemstone Jewelry | — | $11 | 2026-06-21 |
| 189G Natural Garnet with rock Gorgeous rough raw Crystal Mineral Specimen | 189 g | $16 | 2026-06-21 |
| 468G Natural Garnet with rock Gorgeous rough raw Crystal Mineral Specimen | 468 g | $22 | 2026-06-21 |
| Natural Black Rainbow Opa Rhodolite Garnet Ring 925 Sterling Silver Size 8.75 | — | $10 | 2026-06-21 |
| 1.35LB Natural Garnet And Sphalerite Symbiotic Mineral Specimen Reiki Healing | 612 g | $18 | 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.
Garnet in different forms
Stones often confused with Garnet
Frequently asked questions
How hard is Garnet?
Garnet is Mohs 6.5–7.5 on the hardness scale.
What colour is Garnet?
Garnet is typically red, blue (virtually all colors, blue is rare).