Pyrite vs Siderite
| Property | Pyrite | Siderite |
|---|---|---|
| Formule | FeS2 | FeCO3 |
| Système Cristallin | Cubic (Isometric) | Trigonal |
| Classe Minérale | 02 Sulfides and Sulfosalts | 05 Carbonates and Nitrates |
| Dureté Mohs | 6.0-6.5 | 3.5-4.5 |
| Couleur | Pale brass-yellow | Yellowish-brown, gray, brown, greenish |
| Éclat | Metallic | Vitreous |
| Trait | Greenish-black to brownish-black | White |
| Transparence | Opaque | Translucent |
| Clivage | Indistinct | Perfect rhombohedral {1011} |
| Cassure | Conchoidal to uneven | Conchoidal |