Unnamed (High-temperature polymorph of CaSO4)
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Formula:
CaSO4
A substance of anthropogenic origin (burning coal mine dump). Current IMA regulations do not allow such substances to be approved as valid mineral species.
Transforms into anhydrite at lower temperatures, accompanied by a volume decrease.
Transforms into anhydrite at lower temperatures, accompanied by a volume decrease.
Unique Identifiers
Mindat ID:
40083
Long-form identifier:
mindat:1:1:40083:5
Chemistry of Unnamed (High-temperature polymorph of CaSO4)
Mindat Formula:
CaSO4
Element Weights:
Elements listed:
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 Unnamed (High-temperature polymorph of CaSO4)
mindat.org URL:
https://www.mindat.org/min-40083.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Unnamed (High-temperature polymorph of CaSO4)
Localities for Unnamed (High-temperature polymorph of CaSO4)
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.
Russia | |
| Cesnokov et al. (1998) |
