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Bosoite
A valid IMA mineral species
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About Bosoite
Boso Peninsula, Japan
Formula:
SiO2 · nCxH2x+2
Colour:
Colorless
Lustre:
Vitreous
Hardness:
6½ - 7
Specific Gravity:
2.04 (Calculated)
Crystal System:
Hexagonal
Name:
Named after the Boso Peninsula, the large peninsula just east of Tokyo across Tokyo Bay. It includes the type locality.
Type Locality:
Unique Identifiers
Mindat ID:
46149
Long-form identifier:
mindat:1:1:46149:2
Similar Names
| Basite | A rock subtype | |
| Bassoite | A valid IMA mineral species | SrV3O7 · 4H2O |
| Bazzite | A valid IMA mineral species - grandfathered | Be3Sc2(Si6O18) |
| Beusite | A valid IMA mineral species | Mn2+Mn22+ (PO4)2 |
| Beusite-(Ca) | A valid IMA mineral species | CaMn22+(PO4)2 |
| Bohseite | A valid IMA mineral species | Ca4Be3+xAl1-xSi9O25-x(OH)3+x |
| Bosiita | A synonym of Bosiite | |
| Bussyite-(Ce) | A valid IMA mineral species | (Ce,REE)3(Na,H2O)6MnSi9Be5(O,OH)30F4 |
| Bussyite-(Y) | A valid IMA mineral species | (Y,REE,Ca)3(Na,Ca)6MnSi9Be5(O,OH,F)34 |
IMA Classification of Bosoite
Approved
IMA Formula:
SiO2·nCxH2x+2
Approval year:
2014
First published:
2011
Type description reference:
Momma, Koichi, Ikeda, Takuji, Nagase, Toshiro, Kuribayashi, Takahiro, Honma, Chibune, Nishikubo, Katsumi, Takahashi, Naoki, Takada, Masayuki, Matsushita, Yoshitaka, Miyawaki, Ritsuro, Matsubara, Satoshi (2020) Bosoite, a new silica clathrate mineral from Chiba Prefecture, Japan. Mineralogical Magazine, 84 (6) 941-948 doi:10.1180/mgm.2020.91
Classification of Bosoite
4.DA.
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
A : With small cations: Silica family
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
A : With small cations: Silica family
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 |
|---|---|---|
| Bs | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Bosoite
Vitreous
Colour:
Colorless
Streak:
White
Hardness:
6½ - 7 on Mohs scale
Tenacity:
Brittle
Fracture:
Irregular/Uneven
Density:
2.04 g/cm3 (Calculated)
Optical Data of Bosoite
Type:
Uniaxial (+)
Chemistry of Bosoite
Mindat Formula:
SiO2 · nCxH2x+2
Elements listed:
Crystallography of Bosoite
Crystal System:
Hexagonal
Class (H-M):
6/mmm(6/m2/m2/m) - Dihexagonal Dipyramidal
Space Group:
P6/mmm
Setting:
P6/mmm
Cell Parameters:
a = 13.9020(3) Å, c = 11.2802(2) Å
Ratio:
a:c = 1 : 0.811
Unit Cell V:
1887.99 ų
Z:
34
Crystal Structure
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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0020684 | Bosoite | Gerke H, Gies H (1984) Studies on clathrasils. IV. Crystal structure of dodecasil 1H, a synthetic clathrate compound of silica Zeitschrift fur Kristallographie 166 11-22 |  | 1984 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 5.907 Å | (30) |
| 5.301 Å | (100) |
| 5.100 Å | (33) |
| 3.773 Å | (44) |
| 3.535 Å | (62) |
| 3.331 Å | (38) |
Reference:
Momma, Koichi, Ikeda, Takuji, Nagase, Toshiro, Kuribayashi, Takahiro, Honma, Chibune, Nishikubo, Katsumi, Takahashi, Naoki, Takada, Masayuki, Matsushita, Yoshitaka, Miyawaki, Ritsuro, Matsubara, Satoshi (2020) Bosoite, a new silica clathrate mineral from Chiba Prefecture, Japan. Mineralogical Magazine, 84 (6) 941-948 doi:10.1180/mgm.2020.91
Comments:
From Type Description.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 3b: Earth’s earliest hydrosphere | >4.45 |
| 17 : Marine authigenic Hadean minerals (see also #24) | |
| Near-surface Processes | |
| 24 : Authigenic minerals in terrestrial sediments (see also #17) |
Type Occurrence of Bosoite
General Appearance of Type Material:
Occurs as epitaxial intergrowths on chibaite. Platy shapes parallel to {0001} with individual crystals about 10-50 µm thick and 50-300 µm in diameter.
Place of Conservation of Type Material:
Type material is deposited in the collections of the National Museum of Nature and Science, Amakubo, Tsukuba, Ibaraki, Japan, registered number NMS-M43775, and the Tohoku University Museum, Aoba, Sendai, Japan, mineral collection specimen A-153
Geological Setting of Type Material:
In small quartz and calcite veins partly developed at fault planes in tuffaceous sandstone and mudstone.
Associated Minerals at Type Locality:
Reference:
Momma, Koichi, Ikeda, Takuji, Nagase, Toshiro, Kuribayashi, Takahiro, Honma, Chibune, Nishikubo, Katsumi, Takahashi, Naoki, Takada, Masayuki, Matsushita, Yoshitaka, Miyawaki, Ritsuro, Matsubara, Satoshi (2020) Bosoite, a new silica clathrate mineral from Chiba Prefecture, Japan. Mineralogical Magazine, 84 (6) 941-948 doi:10.1180/mgm.2020.91
Synonyms of Bosoite
Other Language Names for Bosoite
Common Associates
Associations Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 4.DA. | Chibaite | SiO2 · n(CH4, C2H6, C3H8, i-C4H10) (n = 3/17 (max)) |
| 4.DA. | 'Carbon Dioxide Ice' | CO2 |
| 4.DA.05 | Quartz | SiO2 |
| 4.DA.10 | Tridymite | SiO2 |
| 4.DA.10 | Opal | SiO2 · nH2O |
| 4.DA.15 | Cristobalite | SiO2 |
| 4.DA.20 | Moganite | SiO2 |
| 4.DA.25 | Melanophlogite | 46SiO2 · 6(N2,CO2) · 2(CH4,N2) |
| 4.DA.30 | Lechatelierite | SiO2 |
| 4.DA.35 | Coesite | SiO2 |
| 4.DA.35 | Xiexiandeite | SiO2 |
| 4.DA.40 | Stishovite | SiO2 |
| 4.DA.45 | 'Keatite' | SiO2 |
| 4.DA.50 | Seifertite | SiO2 |
| 4.DA.55 | 'Quartz-beta' | SiO2 |
Fluorescence of Bosoite
Not fluorescent under SW or LW
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 Bosoite
mindat.org URL:
https://www.mindat.org/min-46149.html
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References for Bosoite
Reference List:
Momma, Koichi; Ikeda, Takuji; Nishikubo, Katsumi; Takahashi, Naoki; Honma, Chibune; Takada, Masayuki; Furukawa, Yoshihiro; Nagase, Toshiro; Kudoh, Yasuhiro (2011) New silica clathrate minerals that are isostructural with natural gas hydrates. Nature Communications, 2 (1). 196 doi:10.1038/ncomms1196(mentioned as an unnamed)
Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2014) New minerals and nomenclature modifications approved in 2014, CNMNC Newsletter No 21. Mineralogical Magazine, 78 (4) 797-804 doi:10.1180/minmag.2014.078.4.03
Momma, Koichi, Ikeda, Takuji, Nagase, Toshiro, Kuribayashi, Takahiro, Honma, Chibune, Nishikubo, Katsumi, Takahashi, Naoki, Takada, Masayuki, Matsushita, Yoshitaka, Miyawaki, Ritsuro, Matsubara, Satoshi (2020) Bosoite, a new silica clathrate mineral from Chiba Prefecture, Japan. Mineralogical Magazine, 84 (6) 941-948 doi:10.1180/mgm.2020.91
Localities for Bosoite
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) +3 other references |
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Arakawa, Minamiboso city, Chiba Prefecture, Japan