Sulfurite
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About Sulfurite
Formula:
S
Colour:
brown, yellow, yellow-grey
Specific Gravity:
2.0
Crystal System:
Amorphous
Name:
For the elemental composition, and to differentiate it from normal alpha-sulphur.
A mixture of metastable allotropes of native sulphur which slowly reverts to crystalline alpha-sulphur. Formed when liquid sulphur is rapidly quenched (as when a sulphur flow runs into water). The composition of the mixture depends on the temperature and age of the liquid when quenched and is usually dominated by long helical chain molecules that are the cause of the plasticity of the sulphur, with about 3 atoms per spiral. Initially elastic, soon gets brittle due to crystallization of the S8 contained in the mixture.
Unique Identifiers
Mindat ID:
31330
Long-form identifier:
mindat:1:1:31330:8
Physical Properties of Sulfurite
Transparency:
Opaque
Colour:
Brown, yellow, yellow-grey
Comment:
depends on composition and color of liquid before quenching, may change during conversion to alpha-sulphur
Tenacity:
Elastic
Density:
2.0 g/cm3 (Measured)
Comment:
approximate value
Chemistry of Sulfurite
Mindat Formula:
S
Element Weights:
| Element | % weight |
|---|---|
| S | 100.000 % |
Calculated from ideal end-member formula.
Elements listed:
Crystallography of Sulfurite
Crystal System:
Amorphous
Geological Environment
Geological Setting:
Where liquid native sulphur has flowed from volcanoes.
Synonyms of Sulfurite
Varieties of Sulfurite
| Arsensulfurite | An arsenic-rich (10-33 mas.% As) sulfurite. Originally described from Papandagan volcano, Java, Indonesia. |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Sulfurite
mindat.org URL:
https://www.mindat.org/min-31330.html
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References for Sulfurite
Localities for Sulfurite
Showing 19 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Czech Republic | |
| [var: Arsensulfurite] Z. Dvorák collection (Petr Fuchs photo) |
Indonesia | |
| [var: Arsensulfurite] Palache et al. (1944) |
Italy | |
| [var: Arsensulfurite] Palache et al. (1944) |
| [var: Arsensulfurite] Garavelli et al. (2013) |
Japan | |
| Jimbo (1916) |
| Amir Akhavan Field Observations |
Poland | |
| [var: Arsensulfurite] Fabiańska et al. (2013) |
Russia | |
| [var: Arsensulfurite] Elena Yu. Bykova analytical data 1996 |
| [var: Arsensulfurite] Okrugin et al. (2017) |
| [var: Arsensulfurite] Zelensky et al. (2004) |
USA | |
| www.mineralienatlas.de/lexikon/index.php/Mineralienportrait/Schwefel (with photo) |
Kukhi-Malik tract, Fan-Jagnob coal deposit, Ayni District, Sughd, Tajikistan