Knopite
A variety of Perovskite
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About Knopite
Formula:
(Ca,Ce,Na)(Ti,Fe)O3
Name:
After A. Knop (1828-1893), German mineralogist who discovered the niobian variety of perovskite ('dysanalyte').
A variety of Perovskite
A variety of perovskite rich in cerium.
Originally described from Långörsholmen, Alnö, Sundsvall, Medelpad, Sweden.
A variety of perovskite rich in cerium.
Originally described from Långörsholmen, Alnö, Sundsvall, Medelpad, Sweden.
Unique Identifiers
Mindat ID:
2228 (as Knopite)
3166 (as Perovskite)
3166 (as Perovskite)
Long-form identifier:
mindat:1:1:2228:2 (as Knopite)
mindat:1:1:3166:6 (as Perovskite)
mindat:1:1:3166:6 (as Perovskite)
GUID
(UUID V4):
(UUID V4):
dc281d48-79b4-43d9-8be1-a777f4dc3254 (as Knopite)
2f2a3f47-db26-4abc-8a62-cac0998b0627 (as Perovskite)
2f2a3f47-db26-4abc-8a62-cac0998b0627 (as Perovskite)
Chemistry of Knopite
Mindat Formula:
(Ca,Ce,Na)(Ti,Fe)O3
Other Language Names for Knopite
Common Associates
Associated Minerals Based on Photo Data:
2 photos of Knopite associated with Perovskite | CaTiO3 |
1 photo of Knopite associated with Cafetite | CaTi2O5 · H2O |
1 photo of Knopite associated with Calcite | CaCO3 |
1 photo of Knopite associated with Magnesio-hastingsite | NaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 |
1 photo of Knopite associated with Magnetite | Fe2+Fe3+2O4 |
1 photo of Knopite associated with Schorlomite | Ca3Ti2(SiO4)(Fe3+O4)2 |
1 photo of Knopite associated with Titanite | CaTi(SiO4)O |
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 Knopite
mindat.org URL:
https://www.mindat.org/min-2228.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Knopite
Reference List:
Localities for Knopite
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).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Canada | |
| Ellsworth et al. (1925) |
Russia | |
| [World of Stones 95:5-6 |
Arzamastsev et al. (2006) | |
| Bea et al. (2001) |
Sweden | |
| Holmquist (1894) +1 other reference |
|
Afrikanda complex, Murmansk Oblast, Russia