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Orpimente
 Orpimente | |
|---|---|
 | |
| Ezaugarri orokorrak | |
| Kategoria | sulfuro |
| Formula | |
| Dana sailkapena | 2.11.1.1 |
| Nickel-Strunz sailkapena | 2.FA.30 |
| Sistema kristalino | monoklinikoa |
| Talde espazial | 2/m - prismatiko |
| Zelda unitatea | a = 11,475(5) Å; b = 9,577(4) Å; c = 4,256(2) Å; β = 90,45(5)° |
| Eponimoa | urre eta pigmentu |
| Identifikazioa | |
| Kolorea | orange-yellow to lemon-yellow* |
| Esfoliazioa | perfect - perfect {010} imperfect {100}* |
| Distira | nakar-itxurako |
| Errefrakzio indizea | nα = 2,400 nβ = 2,810 nγ = 3,020 |
| Ezaugarri optikoak | biaxial (-)* |
| Pleokroismoa | strong |
| 2V angelua | neurri: 30° to 76°, kalkulu: 62° |
| Erreferentziaka | [1] |
Orpimente sulfuro motako minerala da.[1]
- ↑ a b (Ingelesez) «Orpiment: Mineral information, data and localities.» www.mindat.org (Noiz kontsultatua: 12-05-2019).
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