Gananite
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Formula:
BiF3
Colour:
brown to black and greenish-black
Lustre:
Resinous, Sub-Metallic
Hardness:
3½
Specific Gravity:
8.928 (Calculated)
Crystal System:
Isometric
Name:
Named for Gannan, the Chinese name for southwestern Jiangxi Province, where the mineral was discovered.
Note that the IMA approved name is "Gananite" although the region for which its was named is spelled with two "n".
Note that the IMA approved name is "Gananite" although the region for which its was named is spelled with two "n".
Type Locality:
This page provides mineralogical data about Gananite.
Classification of Gananite
Approved
First Published:
1984
3/A.11-10
3.AC.20
3 : HALIDES
A : Simple halides, without H2O
C : M:X = 1:3
3 : HALIDES
A : Simple halides, without H2O
C : M:X = 1:3
9.3.5.1
9 : NORMAL HALIDES
3 : AX3
9 : NORMAL HALIDES
3 : AX3
8.9.3
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
9 : Halides of Sb and Bi
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
9 : Halides of Sb and Bi
Physical Properties of Gananite
Resinous, Sub-Metallic
Transparency:
Translucent
Colour:
brown to black and greenish-black
Streak:
Dark gray
Hardness:
3½ on Mohs scale
Hardness:
VHN100=135 - 153 - Vickers
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
8.928 g/cm3 (Calculated)
Chemical Properties of Gananite
Formula:
BiF3
Elements listed:
Crystallography of Gananite
Crystal System:
Isometric
Cell Parameters:
a = 5.825(1) Å
Unit Cell V:
197.65 ų (Calculated from Unit Cell)
Z:
4
Comment:
Space group P43m
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) |
---|---|---|---|---|---|---|---|
0015758 | Gananite | Hund F, Fricke R (1949) Der kristallbau von a-BiF3 Zeitschrift fur Anorganische und Allgemeine Chemie 258 198-204 | 1949 | 0 | 293 |
CIF Raw Data - click here to close
Type Occurrence of Gananite
General Appearance of Type Material:
brown to black and greenish-black irregular aggregates, 0.076 to 0.15 mm in diameter
Place of Conservation of Type Material:
National Museum of Geology of Beijing, China.
Associated Minerals at Type Locality:
Reference:
Cheng, L., Huang, Z., Pan, S., Huang, R., Guo, S. (1984) Gananite (α-BiF3), a new bismuto-fluoride mineral from Jiangxi, China. Acta Petrologica Mineralogica et Analytica [Yanshi Kuangwu Ji Ceshi]: 3(2): 119-123.
Synonyms of Gananite
Other Language Names for Gananite
Related Minerals - Nickel-Strunz Grouping
3.AC.05 | Zharchikhite | AlF(OH)2 | Mon. |
3.AC.10 | Molysite | FeCl3 | Hex. |
3.AC.15 | Fluocerite-(Ce) | (Ce,La)F3 | Trig. 3m (3 2/m) : P3c1 |
3.AC.15 | Fluocerite-(La) | (La,Ce)F3 | Trig. 3m (3 2/m) : P3c1 |
Related Minerals - Hey's Chemical Index of Minerals Grouping
8.9.1 | Onoratoite | Sb8Cl2O11 | Tric. 1 : P1 |
8.9.2 | Kelyanite | [Hg2]2+6Sb3+BrCl2O6 | Trig. 3 |
8.9.4 | Zavaritskite | (BiO)F | Tet. |
8.9.5 | Bismoclite | BiOCl | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
8.9.6 | Daubréeite | (BiO)(OH,Cl) | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
8.9.7 | Perite | PbBiClO2 | Orth. mmm (2/m 2/m 2/m) : Cmcm |
Other Information
Electrical:
None
Notes:
readily soluble in HCl and HN03.
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 Gananite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Hund, F., Fricke, R. (1949) Der kristallbau von α-BiF3. Zeitschrift für Anorganische und Allgemeine Chemie: 258: 198-204.
Cheng, L., Huang, Z., Pan, S., Huang, R., Guo, S. (1984) Gananite (α-BiF3), a new bismuto-fluoride mineral from Jiangxi, China. Acta Petrologica Mineralogica et Analytica [Yanshi Kuangwu Ji Ceshi]: 3(2): 119-123. (in Chinese with English abstract).
Jambor, J.L., Burke, E.A.J., Ercit, T.S., Grice, J.D. (1988) New mineral names. American Mineralogist: 73: 1492-1499 (1494).
Internet Links for Gananite
mindat.org URL:
https://www.mindat.org/min-1646.html
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Localities for Gananite
Locality List




All localities listed without proper references should be considered as questionable.
China (TL) | |
| Longzai Cheng, Zongshao Hu, Shiwei Pan, Rongsheng Huang, and Shuliang Guo (1984): Acta Petrologica Mineralogica et Analytica 3(2), 119-123; American Mineralogist 73, 1494 (1988) |
Germany | |
| Witzke, T. (2011): Neues von Sadisdorf, Erzgebirge: Gananit, Cheralith, Grayit und Brockit. Mineralien-Welt 22 (4), 47-50. |
Russia | |
| Alekseev, V. I., & Marin, Y. B. (2015). Composition and evolution of accessory mineralization of Li–F granites in the Far East as indicators of their ore potential. Geology of Ore Deposits, 57(8), 635-644. |
| Sidorov, V. A., Volkov, A. V., Wolfson, A. A., & Sidorov, A. A. (2007, November). Au-Bi-Te mineralization of the Kontaktovyi stock in Northeast Russia. In Doklady Earth Sciences (Vol. 417, No. 1, pp. 1164-1168). Nauka/Interperiodica. |