Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat Articles
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Bunnoite

This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About BunnoiteHide

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.
Chemically and structurally similar to akatoreite.


Classification of BunnoiteHide

Approved
Approval Year:
2014

Chemical Properties of BunnoiteHide

Formula:
Mn2+6AlSi6O18(OH)3

Crystallography of BunnoiteHide

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)°
Ratio:
a:b:c = 0.751 : 1 : 1.204
Unit Cell V:
793.91 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.671 (54)
3.334 (92)
3.320 (89)
2.712 (70)
2.657 (100)
2.635 (43)
2.216 (60)
2.180 (48)

Type Occurrence of BunnoiteHide

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 BunnoiteHide

Other Language Names for BunnoiteHide

Japanese:豊石
Spanish:Bunnoita

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for BunnoiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Nishio-Hamane, D., Momma, K., Miyawaki, R. and Minakawa, T. (2014) Bunnoite, IMA 2014-054. CNMNC Newsletter No. 22, October 2014, page 1246; Mineralogical Magazine, 78, 1241-1248.
Nishio-Hamane, D., Momma, K., Miyawaki, R., Minakawa, T. (2016): Bunnoite, a new hydrous manganese aluminosilicate from Kamo Mountain, Kochi prefecture, Japan. Mineralogy and Petrology 110, 917-926.

Internet Links for BunnoiteHide

Localities for BunnoiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Japan (TL)
 
  • Kochi
    • Ino
Nishio-Hamane, D., Momma, K., Miyawaki, R. and Minakawa, T. (2014) Bunnoite, IMA 2014-054. CNMNC Newsletter No. 22, October 2014, page 1246; Mineralogical Magazine, 78, 1241-1248; Nishio-Hamane, D., Momma, K., Miyawaki, R., Minakawa, T. (2016): Bunnoite, a new hydrous manganese aluminosilicate from Kamo Mountain, Kochi prefecture, Japan. Mineralogy and Petrology 110, 917-926.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: April 21, 2019 01:49:27 Page generated: March 7, 2019 08:23:57
Go to top of page