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Sanrománite

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Francisco J. San Román
Formula:
Na2CaPb3[CO3]5
Colour:
colourless, green-yellow
Specific Gravity:
5.20 (Calculated)
Crystal System:
Hexagonal
Name:
Named for the Chilean naturalist (mineralogy and geology) Francisco J. San Román (ca 1838 Copiapó - 1902 Santiago de Chile)
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Classification of SanromániteHide

Approved
Approval Year:
2006
5/B.05-115
5.AC.30

5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
C : Alkali and alkali-earth carbonates
14.4.4.4

14 : ANHYDROUS NORMAL CARBONATES
4 : Miscellaneous

Physical Properties of SanromániteHide

Colour:
colourless, green-yellow
Density:
5.20 g/cm3 (Calculated)

Chemical Properties of SanromániteHide

Formula:
Na2CaPb3[CO3]5
IMA Formula:
Na2CaPb3(CO3)5

Crystallography of SanromániteHide

Crystal System:
Hexagonal
Class (H-M):
6mm - Dihexagonal Pyramidal
Space Group:
P63mc
Cell Parameters:
a = 10.553(1) Å, c = 6.641(1) Å
Ratio:
a:c = 1 : 0.629
Unit Cell V:
640.5 ų
Z:
2

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.769 (100)
3.323 (43)
3.066 (51)
2.688 (50)
2.640 (65)
2.161 (50)
2.066 (34)
1.993 (44)

Type Occurrence of SanromániteHide

General Appearance of Type Material:
radiating acicular or artichoke-like aggregates, and as isolated needles
Associated Minerals at Type Locality:

Synonyms of SanromániteHide

Other Language Names for SanromániteHide

German:Sanromanit

Common AssociatesHide

Associated Minerals Based on Photo Data:
Juangodoyite7 photos of Sanrománite associated with Juangodoyite on mindat.org.
Trona1 photo of Sanrománite associated with Trona on mindat.org.
Nahcolite1 photo of Sanrománite associated with Nahcolite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

5.AC.05EiteliteNa2Mg(CO3)2Trig.
5.AC.10NyerereiteNa2Ca(CO3)2Orth. mmm (2/m 2/m 2/m) : Cmcm
5.AC.10ZemkoriteNa2Ca(CO3)2Hex.
5.AC.15BütschliiteK2Ca(CO3)2Trig. 3m (3 2/m) : R3m
5.AC.20FairchilditeK2Ca(CO3)2Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
5.AC.25ShortiteNa2Ca2(CO3)3Orth. mm2 : Amm2
5.AC.30Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5Hex. 6mm : P63mc
5.AC.30CalcioburbankiteNa3(Ca,REE,Sr)3(CO3)5Hex. 6mm : P63mc
5.AC.30Khanneshite(Na,Ca)3(Ba,Sr,Ce,Ca)3(CO3)5Hex.

Related Minerals - Dana Grouping (8th Ed.)Hide

14.4.4.1Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5Hex. 6mm : P63mc
14.4.4.2Khanneshite(Na,Ca)3(Ba,Sr,Ce,Ca)3(CO3)5Hex.
14.4.4.3CalcioburbankiteNa3(Ca,REE,Sr)3(CO3)5Hex. 6mm : P63mc

Other InformationHide

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 SanromániteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Schlüter, J., T. Malcherek & D. Pohl (2007): "Sanrománite, from the Santa Rosa mine, Atacama desert, Chile, a new mineral of the burbankite group": Neues Jahrbuch fur Mineralogie, Abhandlungen, 183, 117-121.

Internet Links for SanromániteHide

Localities for SanromániteHide

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.
Chile (TL)
 
  • Tarapacá Region
    • Iquique Province
      • Santa Rosa-Huantajaya District
Schlüter, J., T. Malcherek & D. Pohl (2007): "Sanrománite, from the Santa Rosa mine, Atacama desert, Chile, a new mineral of the burbankite group": Neues Jahrbuch fur Mineralogie, Abhandlungen, 183, 117-121.
Spain
 
  • Catalonia
    • Lleida (Lérida)
      • El Pallars Jussà
        • La Vall Fosca
          • La Torre de Cabdella (La Torre de Capdella)
            • Castell-estaó
Joan Rosell (June,2016)
Mineral and/or Locality  
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