Where it forms, where it's found
- Type locality
- Bond zone
- Oka
- Deux-Montagnes RCM
- Laurentides
- Québec
- Canada
45.5000°, -74.0469°
7recorded occurrences
Physical
- Hardness
- 1Talc
- 2Gypsum
- 3Calcite
- 4Fluorite
- 5Apatite
- 6Orthoclase
- 7Quartz
- 8Topaz
- 9Corundum
- 10Diamond
Crystallography
- Space group
- #71
- Cell parameters
- a = 5.44 Å · b = 7.77 Å · c = 5.55 Å
- Ratio a:b:c
- 1 : 1.428 : 1.020
- Comment
Spacegroup: P21/n (Mitchell et al. 2016)
Crystal structure
Chemical composition
Synonyms
- IMA1964-019
- Latrappiet
In other languages
- German
- IMA1964-019 · Latrappit
- Spanish
- Latrappita
- Italian
- latrappite
Classification
Strunz
10th ed.4.CC.30
- 4OxidesClass
- 4.CMetal: Oxygen = 2: 3,3: 5, and similarDivision
- 4.CCWith large and medium-sized cationsGroup
- 4.CC.30LatrappiteSpecies
Dana
8th ed.04.03.03.02
- 04Simple OxidesClass
- 04.03A2X3Type
- 04.03.03Perovskite GroupGroup
- 04.03.03.02LatrappiteSpecies
CIM
—18.1.13
- 18Niobates and TantalatesClass
- 18.1Niobates and tantalates containing neither rare earths nor UGroup
- 18.1.13LatrappiteSpecies
Group, growth & confusion
Literature, links & citation
Citations
- 1963Nickel, E. H., McAdam, R. C. (1963) Niobian perovskite from Oka, Quebec; a new classification for minerals of the perovskite group. The Canadian Mineralogist, 7 (5) 683-697
- 1965Fleischer, Michael (1965) New Mineral Names. American Mineralogist, 50 (1-2) 261-268
- 1966Nickel, E.H. (1966) Latrappite - a proposed new name for the perovskite-type calcium niobate mineral from the Oka area of Quebec. The Canadian Mineralogist: 8(1): 122-123. https://rruff.info/uploads/CM8_122.pdf
- 1980Van Wambeke, L. (1980) Latrappite and ceriopyrochlore, new minerals for the Federal Republic of Germany. Neues Jahrbuch für Mineralogie, Monatshefte 1980, 171-174.
- 1996Chakhmouradian, A.R. (1996) On the development of niobium and rare-earth minerals in monticellite-calcite carbonatite of the Oka Complex, Quebec. The Canadian Mineralogist: 34(2): 479-484. https://rruff.info/uploads/CM34_479.pdf
Cite this entry
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Latrappite — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/latrappite-2337},
note = {Accessed 2026-05-11}
}