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Schuetteita
CaracterÃsticas generales
Fórmula: Hg32+(SO4)O2
Sistema de cristalización: Trigonal
Color: Yellow, orange or bright canary yellow
Dureza: 3
Rareza: muy raro
Formación y ambiente
Formed either by the oxidation of cinnaber ore exposed to sunlight, or in the bricks and remains of old mercury furnaces and condensers.
Propiedades fisicas
Hábito: Thin or encrustations
Transparencia: Translúcido
Comentarios: Named for Curt Nicolaus Schuette (1895-1975), American mining engineer and geologist, specialist in mercury deposits.
Color: Yellow, orange or bright canary yellow
Raya: Amarilla
Dureza (Mohs): 3
Densidad: 8,2 g/cm3 (medida) | 8,36 g/cm3 (calculada)
CristalografÃa
Sistema cristalino:Trigonal
Clase (H-M): -1m () - Indefinida
Grupo espacial: P3(1)21
Parámetros de la celda: a=7,07Å c=10,05Å
Volumen de unidad de celda: V 435,05Ã…
Z: 3
Difracción de Rayos X:D(hkl) | Intensidad |
---|---|
2,91 | 100 |
3,34 | 70 |
2,6 | 55 |
Propiedades ópticas
Tipo: Uniaxial (-)
Valores RI: nα= 2,1
Pleocroismo: Dichroic
X: Greenish yellow
Y: Orange yellow
Propiedades quÃmicas
Fórmula: Hg32+(SO4)O2
Composición quÃmica: O: 13,15%, S: 4,39%, Hg: 82,45%,
Yacimientos y localidades de interés
Localidades
- Silver Cloud mine, Ivanho district, N of Battle Mountain, Nevada. Sulfur Bank mine, end of east arm of Clear Lake, Lake Co. California, USA - Localidad tipo.
BibliografÃa y más información
- American Mineralogist, vol. 44, p.1026-1038, (1959)
![Ezoic](https://go.ezodn.com/utilcave_com/img/ezoic.png)
Barra lateral
Clasificación
Estado IMA: ApprovedNickel-Strunz : 07.BB.40
- 7: Sulfatos
- 07.B: Sulfatos (selenatos, etc.) con aniones adicionales, sin H2O
- 07.BB: With medium-sized cations
Dana 8th ed. : 30.1.13.1
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