Salpeter
Salpeter (Eng: Niter, saltpeter) is die mineraal weergawe van kaliumnitraat wat in die verlede gemyn is vir die gebruik as kunsmis.
| Salpeter | |
|---|---|
 | |
| Salpetermyn | |
| Formule | KNO3 |
| Onsuiwerhede | Na, Li |
| Nickel-Strunz (10) | 5.NA. |
| Streep | wit |
| Hardheid | 2 |
| Digtheid | 2,11 rel water |
| Transparansie | deursigtig |
| Dubbelbreking | tweeassig (-) |
| RI-waardes | nα = 1.332 nβ = 1.504 nγ = 1.504 |
| Strukturbericht-kode | G0₂ |
| * Lys van minerale | |
Portaal  Geologie | |
Die stof is goed in water oplosbaar en word veral in grotte gevind waar dit teen die reën beskut is. In Suid-Afrika word dit in die Noord-Kaap naby Prieska en Hay gevind.
Salpeter word saam met houtskool (vorm van koolstof) en swawel gebruik om buskruit te maak.
Verwysings
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