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A yellowish brown to violet hydrated iron sulfate mineral. Coquimbite was named after the province of Coquimbo in Chile where it was first described in 1841.
Synonyms and Related Terms
Physical and Chemical Properties
- Crystal structure is massive or granular, but may occur in plates or prisms.
- Fracture = uneven
- Cleavage = imperfect
- Luster = vitreous
- Streak = white
|Refractive Index||1.55; 1.557|
Resources and Citations
- Web Minerals: Coquimbite
- Mindat at http://www.mindat.org/min-1126.html