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Rodolicoite

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Formula:
Fe3+PO4
System:
Trigonal
Colour:
reddish brown
Lustre:
Greasy
Name:
Named after Francesco Rodolico (1905–1988), Professor of Mineralogy at the University of Florence, Italy, specialist of the history of geology and of building and ornamental materials, and author of "Le pietre delle città d’Italia".
This page provides mineralogical data about Rodolicoite.

Classification of Rodolicoite

Approved 1995
8.AA.05

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
A : With small cations (some also with larger ones)
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First Recorded Occurrence of Rodolicoite

Year of Discovery:
1995

Physical Properties of Rodolicoite

Greasy
Diaphaneity (Transparency):
Opaque
Colour:
reddish brown
Streak:
brown
Cleavage:
None Observed
Density:
3.04 g/cm3 (Calculated)

Crystallography of Rodolicoite

Crystal System:
Trigonal
Class (H-M):
3 2 - Trapezohedral
Space Group:
P31 2 1
Cell Parameters:
a = 5.048Å, c = 11.215Å
Ratio:
a:c = 1 : 2.222
Unit Cell Volume:
V 247.50 ų (Calculated from Unit Cell)
Z:
3

Chemical Properties of Rodolicoite

Formula:
Fe3+PO4
Essential elements:
All elements listed in formula:

Relationship of Rodolicoite to other Species

8.AA.05AlarsiteAlAsO4
8.AA.05BerliniteAlPO4
8.AA.10BerylloniteNaBePO4
8.AA.15HurlbutiteCaBe2(PO4)2
8.AA.20LithiophosphateLi3PO4
8.AA.25NalipoiteNaLi2PO4
8.AA.30OlympiteNa5Li(PO4)2

Other Names for Rodolicoite

Name in Other Languages:

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.

References for Rodolicoite

Reference List:
Cipriani, C., M. Mellini, G. Pratesi & C. Viti (1997) Rodolicoite and grattarolaite, two new phosphate minerals from Santa Barbara Mine, Italy.- European Journal of Mineralogy: 9: 1101-1106.

Mineralogical Record: 29: 476.

Canadian Journal of Chemistry: 53: 2064-2067.

Zeitschrift für Kristallographie: 177: 139-142.

Internet Links for Rodolicoite

Localities for Rodolicoite

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Italy
 
  • Tuscany
    • Arezzo Province
      • Valdarno (Val d'Arno)
        • Cavriglia
          • Santa Barbara lignite District
C. Cipriani et al. (1997) Eur. J. Mineral. 9, 1101-1106
Mineral and/or Locality  
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