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Russoite

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About RussoiteHide

Massimo Russo
Formula:
(NH4)ClAs2O3(H2O)0.5
Crystal System:
Hexagonal
Name:
Named in honor of Massimo Russo (b. 16 February 1960, Naples, Italy) geologist and researcher at the "Osservatorio Vesuviano", National Institute of Geophysics and Volcanology in Naples.
Known synthetic analogue. Unique combination of elements. Chemically somewhat similar to lucabindiite, gajardoite (also hexagonal), and torrecillasite (all having arsenic oxide groups in the structure).


Classification of RussoiteHide

Approved, Pending publication
Approval Year:
2016

Chemical Properties of RussoiteHide

Formula:
(NH4)ClAs2O3(H2O)0.5
IMA Formula:
(NH4)ClAs2O3(H2O)0.5

Crystallography of RussoiteHide

Crystal System:
Hexagonal
Class (H-M):
6 2 2 - Trapezohedral
Space Group:
P6 2 2
Cell Parameters:
a = 5.529(2) Å, c = 12.590(5) Å
Ratio:
a:c = 1 : 2.277
Unit Cell V:
333.31 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
12.627 (19)
6.324 (100)
4.547 (75)
4.218 (47)
3.094 (45)
2.627 (47)
2.428 (31)
1.820 (28)

Type Occurrence of RussoiteHide

Synonyms of RussoiteHide

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 RussoiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Campostrini, I., Demartin, F., Scavini, M. (2016): Russoite, IMA 2015-105. CNMNC Newsletter No. 30, April 2016, page 409; Mineralogical Magazine: 80: 407–413

Internet Links for RussoiteHide

Localities for RussoiteHide

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.
Italy (TL)
 
  • Campania
    • Phlegrean Volcanic Complex
      • Naples Province
        • Phlegrean Fields
          • Pozzuoli
            • Solfatara di Pozzuoli
Campostrini, I., Demartin, F., Scavini, M. (2016): Russoite, IMA 2015-105. CNMNC Newsletter No. 30, April 2016, page 409; Mineralogical Magazine: 80: 407–413
Mineral and/or Locality  
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