Taaffeite Group
A group of related mineral species
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About Taaffeite Group
Member of:
A group of the Högbomite Supergroup with minerals that is composed of spinel and modified nolanite modules where Be occupies a tetrahedral site close to the hydrogen position in the nolanite module. The modified nolanite module has the composition BeTMO8.
Unique Identifiers
Mindat ID:
39985
Long-form identifier:
mindat:1:1:39985:8
IMA Classification of Taaffeite Group
IMA status notes:
IMA Approved Group Name
Relationship of Taaffeite Group to other Species
Member of:
Other Members of Högbomite Supergroup:
| Beltrandoite Group | ||
| Högbomite Group | A group of the Högbomite Supergroup. | |
| Nigerite Group | A group of the Högbomite Supergroup where Sn is the dominant tetravalent cation in the nolanite module. | |
| Zincovelesite-6N6S | Zn3(Fe3+,Mn3+,Al,Ti)8O15(OH) | Trig. 3m(32/m) : P3m1 |
Taaffeite Group Members:
| Ferrotaaffeite subgroup | ||
| Ferrotaaffeite-2N’2S | Be(Fe,Mg,Zn)3Al8O16 | Hex. 6mm : P63mc |
| Ferrotaaffeite-6N'3S | (Be,Zn,Mg)FeAl4O8 | Trig. 3m(32/m) : R3m |
| Magnesiotaaffeite subgroup | ||
| Magnesiotaaffeite-2N’2S | Mg3Al8BeO16 | Hex. 6/mmm(6/m2/m2/m) |
| 'Magnesiotaaffeite-2N’2S2' | Mg3BeAl8O16 | Trig. 3m(32/m) : P3m1 |
| Magnesiotaaffeite-6N’3S | Mg2BeAl6O12 | Trig. 3m(32/m) : R3m |
Click on any node to view relationships. Formula-derived relationship network for the group members above. Use Find related species to add formula-neighbour species outside the current group view. Solid links show inferred chemical differences; dashed violet links show same-formula crystallographic differences. Hydration states are not treated as relationship changes. These relationships do not imply any real-world substitution reactions between these species.
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 Taaffeite Group
mindat.org URL:
https://www.mindat.org/min-39985.html
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References for Taaffeite Group
Localities for Taaffeite Group
Showing 37 localities.
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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.
"Zircon Point" pegmatite, Khmara Bay, Casey Bay, Napier Complex, Enderby Land, East Antarctica, Antarctica