Fluocerite-(Ce)
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| Fluocerite-(Ce) | |
|---|---|
| General | |
| Category | Fluoride minerals |
| Chemical formula | (Ce,La)F3 |
| Strunz classification | 03.AC.15 |
| Dana classification | 09.3.4.1 |
| Crystal symmetry | 6/m 2/m 2/m |
| Identification | |
| Color | pale yellow, yellowish brown, reddish brown |
| Crystal habit | massive |
| Crystal system | hexagonal |
| Cleavage | perfect on {001} |
| Fracture | brittle |
| Mohs scale hardness | 4½–5 |
| Luster | waxy |
| Streak | yellowish white |
| Diaphaneity | transparent to transluscent |
| Specific gravity | 6.13 |
| Other characteristics | radioactive (> 70 Bq/g) |
| References | [1][2][3] |
Fluocerite-(Ce), is the cerium-rich form of fluocerite, a mixed fluoride of cerium and lanthanum.[1][2]
See also
References
- ↑ 1.0 1.1 Fluocerite-(Ce), <http://webmineral.com/data/Fluocerite-%28Ce%29.shtml> (accessed 4 December 2009), WebMineral.com.
- ↑ 2.0 2.1 Fluocerite-(Ce), <http://www.mindat.org/show.php?id=1567> (accessed 4 December 2009), MinDat.org.
- ↑ Cheetham, A. K.; Fender, B. E. F.; Fuess, H.; Wright, A. F. A powder neutron diffraction study of lanthanum and cerium trifluorides. Acta Crystallogr., Sect. B: Struct. Sci. 1976, 32, 94–97.
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