COMPARE GUIDE
Hematine (Magnetic Hematite)VSHematite
Side-by-side comparison of physical properties, fluorescence, and crystal system — to identify by observation.
Decisive distinctionsDECISIVE
- ◎ is higher in Hematite, giving a numerical distinguishing point.
Note: properties whose numeric ranges do not overlap are auto-extracted. Both are measurable with a refractometer or heavy-liquid bath.
Physical propertiesPROPERTIES
| Property | A: Hematine (Magnetic Hematite) | B: Hematite | Verdict |
|---|---|---|---|
| Refractive index (RI) | — | 2.940–3.220 | — |
| Specific gravity (SG) | 4.60–4.80 | 5.10–5.30 | B higher |
| Mohs hardness | 5.0–6.0 | 5.5–6.5 | Overlap |
| Birefringence | — | 0.280 | — |
| Dispersion | — | — | — |
Optics & fluorescenceOPTICS & UV
| Property | A: Hematine (Magnetic Hematite) | B: Hematite |
|---|---|---|
| Crystal system | 非晶質（合成） | 六方晶系（三方晶系） |
| Pleochroism | — | — |
| Chelsea filter | — | — |
| UV (long-wave) | — | — |
| UV (short-wave) | inert | inert |
ObservationOBSERVATION
◆abochons versus the synthetic hematine at $0.20–$2 per bead — a 50–250× price differential.
Color categoriesCATEGORIES
A: Hematine (Magnetic Hematite)
Black / gray
B: Hematite
Black / gray
DISTINGUISHING TOOLS · 2 ITEMS
Distinguishing tools
Tools that decide between Hematine (Magnetic Hematite) and Hematite in practice.
Note: this page is auto-generated from published GIA / CGL reference values. Individual stones, treatments, and synthetics may fall outside these ranges. For a definitive identification, consult an accredited gem laboratory.