Bicchulite
A valid IMA mineral species
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About Bicchulite
Formula:
Ca2(Al2SiO6)(OH)2
Colour:
Colourless to white, gray
Lustre:
Earthy
Specific Gravity:
2.75
Crystal System:
Isometric
Name:
Named in 1973 by Chiyoko Henmi, Isao Kusachi, Kitinosuke Henmi, Peter Aubrey Sabine, and Bian Raymond Young for Bicchu (also given as Bitchu, Bitcho-Cho, and Bicchu-Cho), Okayama Prefecture, Chugoku Region, Honshu Island, Japan the town wherein the Japanese type locality is situated, although Bicchu was subsequently encompassed by an expanded Takahashi City.
Dimorph of:
Unique Identifiers
Mindat ID:
661
Long-form identifier:
mindat:1:1:661:1
GUID
(UUID V4):
(UUID V4):
1b156bbb-2862-4205-acf8-a36ab8abb3ef
IMA Classification of Bicchulite
Approved
IMA Formula:
Ca2Al2SiO6(OH)2
First published:
1973
Type description reference:
Henmi, Chiyoko, Kusachi, Isao, Henmi, Kitinosuke, Sabine, Peter Aubrey, Young, Brian Raymond (1973) A new mineral bicchulite, the natural analogue of gehlenite hydrate, from Fuka, Okayama Prefecture, Japan and Carneal, County Antrim, Northern Ireland. Mineralogical Journal, 7 (3) 243-251 doi:10.2465/minerj1953.7.243
Classification of Bicchulite
9.FB.10
9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
76.2.3.5
76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
16.9.12
16 : Silicates Containing Aluminum and other Metals
9 : Aluminosilicates of Ca
16 : Silicates Containing Aluminum and other Metals
9 : Aluminosilicates of Ca
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Bch | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Bch | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Bicchulite
Earthy
Transparency:
Translucent
Comment:
Fine-grained mineral
Colour:
Colourless to white, gray
Streak:
White
Tenacity:
Brittle
Density:
2.75 g/cm3 (Measured) 2.813 g/cm3 (Calculated)
Comment:
Measured on synthetic material. May calculate to 2.792 using Gladstone-Dale relationship.
Optical Data of Bicchulite
Type:
Isotropic
Pleochroism:
Non-pleochroic
Chemistry of Bicchulite
Mindat Formula:
Ca2(Al2SiO6)(OH)2
Common Impurities:
Ti,Fe,Mn,Mg,Na,K,P
Crystallography of Bicchulite
Crystal System:
Isometric
Class (H-M):
4 3m - Hextetrahedral
Space Group:
I4 3m
Setting:
I4 3m
Cell Parameters:
a = 8.83 Å
Unit Cell V:
688.47 ų (Calculated from Unit Cell)
Z:
4
Crystal Structure
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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) |
---|---|---|---|---|---|---|---|
0010796 | Bicchulite | Sahl K, Chatterjee N D (1977) The crystal structure of bicchulite, Ca2[Al2SiO6](OH)2 Zeitschrift fur Kristallographie 146 35-41 | 1977 | synthetic | 0 | 293 | |
0010826 | Bicchulite | Sahl K (1980) Refinement of the crystal structure of bicchulite, Ca2[Al2SiO6](OH)2 Zeitschrift fur Kristallographie 152 13-21 | 1980 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.60 Å | (90) |
3.49 Å | (10) |
3.12 Å | (10) |
3.04 Å | (40) |
2.96 Å | (40) |
2.786 Å | (100) |
2.753 Å | (95) |
2.597 Å | (50) |
2.460 Å | (40) |
2.354 Å | (45) |
2.205 Å | (20) |
2.135 Å | (10) |
2.079 Å | (40) |
1.984 Å | (10) |
1.890 Å | (10) |
1.801 Å | (15) |
1.763 Å | (15) |
1.732 Å | (10) |
1.665 Å | (15) |
1.625 Å | (30) |
1.559 Å | (50) |
1.514 Å | (25) |
Comments:
Henmi, et al. (1973). Also ICDD 27-66; formerly also ICDD 16-388
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Near-surface Processes | |
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47) | |
High-𝑇 alteration and/or metamorphism | |
31 : Thermally altered carbonate, phosphate, and iron formations | |
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere | <0.6 |
51 : Pyrometamorphic minerals (see also #54 and #56) | <0.36 |
Type Occurrence of Bicchulite
Place of Conservation of Type Material:
Department of Earth Sciences, Faculty of Science, Okayama University, Okayama, Japan
Reference:
Henmi, C., Kusachi, I., Henmi, K., Sabine, P.A., Young, B.R. (1973) A new mineral bicchulite, the natural analogue of gehlenite hydrate, from Fuka, Okayama Prefecture, Japan and Carneal, County Antrim, Northern Ireland. Mineralogical Journal: 7: 243-251.
Synonyms of Bicchulite
Other Language Names for Bicchulite
Common Associates
Associated Minerals Based on Photo Data:
2 photos of Bicchulite associated with Gehlenite | Ca2Al[AlSiO7] |
1 photo of Bicchulite associated with Grossular-Hibschite Series |
Related Minerals - Strunz-mindat Grouping
9.FB. | Steudelite | Na3(K17Ca7)Ca4(Al24Si24O96)(SO3)6F6 · 4H2O |
9.FB. | Sapozhnikovite | Na8(Al6Si6O24)(HS)2 |
9.FB. | Betzite | Na6Ca2(Al6Si6O24)Cl4 |
9.FB. | Slyudyankaite | Na28Ca4(Si24Al24O96)(SO4)6(S6)1/3(CO2) · 2H2O |
9.FB. | Bolotinaite | (Na7◻)(Al6Si6O24)F · 4H2O |
9.FB. | Wenlanzhangite-(Y) | Y2V3+2V4+2(SiO4)2O4(OH)4 |
9.FB.05 | Afghanite | (Na,K)22Ca10(Si24Al24O96)(SO4)6Cl6 |
9.FB.05 | Bystrite | (Na,K)7Ca(Al6Si6O24)(S5)Cl |
9.FB.05 | Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
9.FB.05 | Cancrisilite | Na7(Al5Si7O24)(CO3) · 3H2O |
9.FB.05 | Davyne | (Na,K)6Ca2(Al6Si6O24)(Cl2,SO4)2 |
9.FB.05 | Franzinite | (Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2O |
9.FB.05 | Giuseppettite | (Na,K,Ca)7-8(Al6Si6O24)(SO4,Cl)1-2 |
9.FB.05 | Hydroxycancrinite | Na8(Al6Si6O24)(OH)2 · 2H2O |
9.FB.05 | Liottite | (Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4 |
9.FB.05 | Microsommite | Na4K2Ca2(Al6Si6O24)(SO4)Cl2 |
9.FB.05 | Pitiglianoite | Na6K2(Al6Si6O24)(SO4) · 2H2O |
9.FB.05 | Quadridavyne | (Na,K)6Ca2(Al6Si6O24)Cl4 |
9.FB.05 | Sacrofanite | (Na61K19Ca32)(Si84Al84O336)(SO4)26Cl2F6 · 2H2O |
9.FB.05 | Tounkite | (Na,Ca,K)8(Al6Si6O24)(SO4)2Cl · H2O |
9.FB.05 | Vishnevite | (Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2O |
9.FB.05 | Marinellite | (Na,K)42Ca6(Al6Si6O24)6(SO4)8Cl2 · 3H2O |
9.FB.05 | Farneseite | (Na,Ca,K)56(Al6Si6O24)7(SO4)12 · 6H2O |
9.FB.05 | Alloriite | (Na,Ca,K)26Ca4(Al6Si6O24)4(SO4)6Cl6 |
9.FB.05 | Biachellaite | (Na,Ca,K)8(Al6Si6O24)(SO4)2(OH)0.5 · H2O |
9.FB.05 | Fantappièite | [Na82.5Ca33K16.5](Si99Al99O396)(SO4)33 · 4H2O |
9.FB.05 | Kyanoxalite | Na7(Al6-xSi6+xO24)(C2O4)0.5+x · 5H2O (0 < x < 0.5) |
9.FB.05 | Balliranoite | (Na,K)6Ca2(Si6Al6O24)Cl2(CO3) |
9.FB.05 | Carbobystrite | Na8(Al6Si6O24)(CO3) · 3.5H2O |
9.FB.05 | Depmeierite | Na8(Al6Si6O24)(PO4,CO3)1-x · 3H2O (x |
9.FB.05 | Kircherite | Na5Ca2K(Al6Si6O24)(SO4)2 · 0.33H2O |
9.FB.05 | Sulfhydrylbystrite | Na5K2Ca[Al6Si6O24](S5)2(SH) |
9.FB.10 | Danalite | Be3Fe2+4(SiO4)3S |
9.FB.10 | Genthelvite | Be3Zn4(SiO4)3S |
9.FB.10 va | Hackmanite | Na8Al6Si6O24(Cl2,S) |
9.FB.10 | Haüyne | Na3Ca(Si3Al3)O12(SO4) |
9.FB.10 | Helvine | Be3Mn2+4(SiO4)3S |
9.FB.10 | Kamaishilite | Ca2(Al2SiO6)(OH)2 |
9.FB.10 | Lazurite | Na7Ca(Al6Si6O24)(SO4)(S3) · H2O |
9.FB.10 | Nosean | Na8(Al6Si6O24)(SO4) · H2O |
9.FB.10 | Sodalite | Na4(Si3Al3)O12Cl |
9.FB.10 | Tsaregorodtsevite | (N(CH3)4)(AlSi5O12) |
9.FB.10 | Tugtupite | Na4BeAlSi4O12Cl |
9.FB.10 | Vladimirivanovite | Na6Ca2(Al6Si6O24)(SO4,S3,S2,Cl)2 · H2O |
9.FB.15 | Marialite | Na4Al3Si9O24Cl |
9.FB.15 | Meionite | Ca4Al6Si6O24CO3 |
9.FB.15 | Silvialite | (Ca,Na)4(Al6Si6O24)(SO4,CO3) |
Fluorescence of Bicchulite
Fluoresces dark red under all wavelengths, see e.g. https://www.mindat.org/photo-1305648.html
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 Bicchulite
mindat.org URL:
https://www.mindat.org/min-661.html
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External Links:
References for Bicchulite
Reference List:
Henmi, Chiyoko, Kusachi, Isao, Henmi, Kitinosuke, Sabine, Peter Aubrey, Young, Brian Raymond (1973) A new mineral bicchulite, the natural analogue of gehlenite hydrate, from Fuka, Okayama Prefecture, Japan and Carneal, County Antrim, Northern Ireland. Mineralogical Journal, 7 (3) 243-251 doi:10.2465/minerj1953.7.243
Localities for Bicchulite
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).
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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Japan | |
| Dr. Matsuo Nambu collection (curated by the Geological Survey of Japan) |
| Bunno et al. (1982) +1 other reference |
| Mineralogical Record: 27: 304. +2 other references |
Middle East | |
Vapnik et al. (2014) | |
Turkey | |
| Taner et al. (2013) |
UK | |
| Henmi et al. (1973) +1 other reference |
USA | |
| rruff.info (n.d.) |
|
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Fuka mine, Fuka, Bitchū, Takahashi City, Okayama Prefecture, Japan