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Gananite

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Formula:
BiF3
Colour:
brown to black and greenish-black
Lustre:
Resinous, Sub-Metallic
Hardness:
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".
This page provides mineralogical data about Gananite.


Hide all sections | Show all sections

Classification of GananiteHide

Approved
First Published:
1984
3.AC.20

3 : HALIDES
A : Simple halides, without H2O
C : M:X = 1:3
9.3.5.1

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

Physical Properties of GananiteHide

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 GananiteHide

Formula:
BiF3

Crystallography of GananiteHide

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

Type Occurrence of GananiteHide

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 GananiteHide

Other Language Names for GananiteHide

German:Gananit
Simplified Chinese:赣南矿
Spanish:Gananita

Related Minerals - Nickel-Strunz GroupingHide

3.AC.05ZharchikhiteAlF(OH)2Mon.
3.AC.10MolysiteFeCl3Hex.
3.AC.15Fluocerite-(Ce)(Ce,La)F3Trig. 3m (3 2/m) : P3c1
3.AC.15Fluocerite-(La)(La,Ce)F3Trig. 3m (3 2/m) : P3c1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

8.9.1OnoratoiteSb8Cl2O11Tric. 1 : P1
8.9.2Kelyanite(Hg+2)6Sb3+BrCl2O6Mon.
8.9.4Zavaritskite(BiO)FTet.
8.9.5BismocliteBiOClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.9.6Daubréeite(BiO)(OH,Cl)Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.9.7PeritePbBiClO2Orth. mmm (2/m 2/m 2/m) : Cmcm

Other InformationHide

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 GananiteHide

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 GananiteHide

Localities for GananiteHide

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.
China (TL)
 
  • Jiangxi
    • Ganzhou
      • Gan Co.
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
 
  • Saxony
    • Sächsische Schweiz-Osterzgebirge
      • Dippoldiswalde
Witzke, T. (2011): Neues von Sadisdorf, Erzgebirge: Gananit, Cheralith, Grayit und Brockit. Mineralien-Welt 22 (4), 47-50.
Russia
 
  • Chukotka Autonomous Okrug
    • Iultinsky District
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.
    • Okhotsk-Chukotka belt
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.
 
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