Log In
Bunnoite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Bunnoite
Formula:
Mn2+6AlSi6O18(OH)3
Crystal System:
Triclinic
Name:
Named after mineralogist Dr. Michiaki Bunno (b. 1942), director of the Geological Museum of the Geological Survey of Japan until his retirement in 2003, and contributor to the discovery and description of several new mineral species.
Type Locality:
Unique Identifiers
Mindat ID:
46195
Long-form identifier:
mindat:1:1:46195:1
Similar Names
| Benauite | A valid IMA mineral species | SrFe33+(PO4)(PO3OH)(OH)6 |
| Bineite | A rock subtype | |
| Binnite (of Des Cloizeaux) | A variety of Tennantite-(Zn) | Cu6[Cu4(Fe,Zn)2]As4S13 |
| Binnite (of Heusser) | A synonym of Sartorite | |
| Buynite | A valid IMA mineral species - pending publication | TlPb14As17S40 |
IMA Classification of Bunnoite
Approved
Approval year:
2014
Classification of Bunnoite
9.BH.
9 : SILICATES (Germanates)
B : Sorosilicates
H : Sorosilicates with Si3O10, Si4O11, etc. anions; cations in tetrahedral [4] and greater coordination
9 : SILICATES (Germanates)
B : Sorosilicates
H : Sorosilicates with Si3O10, Si4O11, etc. anions; cations in tetrahedral [4] and greater coordination
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Bno | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Chemistry of Bunnoite
Mindat Formula:
Mn2+6AlSi6O18(OH)3
Element Weights:
Crystallography of Bunnoite
Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.521(5) Å, b = 10.008(8) Å, c = 12.048(2) Å
α = 70.46(5)°, β = 84.05(6)°, γ = 68.31(6)°
α = 70.46(5)°, β = 84.05(6)°, γ = 68.31(6)°
Ratio:
a:b:c = 0.751 : 1 : 1.204
Unit Cell V:
793.91 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.671 Å | (54) |
| 3.334 Å | (92) |
| 3.320 Å | (89) |
| 2.712 Å | (70) |
| 2.657 Å | (100) |
| 2.635 Å | (43) |
| 2.216 Å | (60) |
| 2.180 Å | (48) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 3a: Earth’s earliest Hadean crust | >4.50 |
| 9 : Lava/xenolith minerals (hornfels, sanidinite facies) | |
| High-? alteration and/or metamorphism | |
| 32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits |
Type Occurrence of Bunnoite
Place of Conservation of Type Material:
National Museum of Nature and Science, Tsukuba, Japan, specimen number NSMM44106
Geological Setting of Type Material:
Metasedimentary Fe-Mn ore.
Synonyms of Bunnoite
Other Language Names for Bunnoite
Common Associates
Associations Based on Photo Data:
| 2 photos of Bunnoite associated with Hausmannite | Mn2+Mn3+2O4 |
Related Minerals - Strunz-mindat Grouping
| 9.BH.05 | Aminoffite | Ca3(BeOH)2Si3O10 |
| 9.BH.10 | Kinoite | Ca2Cu2(H2O)2[Si3O10] |
| 9.BH.15 | Akatoreite | Mn2+9Al2Si8O24(OH)8 |
| 9.BH.20 | Fencooperite | Ba6Fe3+3Si8O23(CO3)2Cl3 · H2O |
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 Bunnoite
mindat.org URL:
https://www.mindat.org/min-46195.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Bunnoite
Reference List:
Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2014) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC), CNMNC Newsletter No. 22. Mineralogical Magazine, 78 (5) 1241-1248 doi:10.1180/minmag.2014.078.5.10
Localities for Bunnoite
Showing 1 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.
Japan (TL) | |
| Williams et al. (2014) +2 other references |
Quick NavTopAbout BunnoiteUnique IdentifiersSimilar NamesIMA Classification Classification Mineral SymbolsChemistry Crystallography X-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Kamoyama mine, Ino, Agawa District, Kochi Prefecture, Japan