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Crystal System:
The Mn analogue of franckeite. Unique combination of elements.

Cell parameters for H-slab: a=6.23, b=3.69, c=17.59 Å, β=93.3∘

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Classification of RamositeHide

Approved, Pending publication
Approval Year:

Chemical Properties of RamositeHide


Crystallography of RamositeHide

Crystal System:
Cell Parameters:
a = 5.82 Å, b = 5.92 Å, c = 17.65 Å
β = 99.1°
a:b:c = 0.983 : 1 : 2.981
Unit Cell V:
600.47 ų (Calculated from Unit Cell)
Cell Parameters for Q-slab; Spacegroup: C2∕m (Q-slab), P21 (H-slab)(CNMNC Newsletter 53)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
From Type Description.

Type Occurrence of RamositeHide

Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Naturhistorisches Museum Wien, Burgring 7, 1010 Vienna, Austria, catalogue number O1798, and the Mineralogical & Geological Museum, Harvard University, Cambridge, Massachusetts 02138, USA, specimen numbers 2019.18.1 and 2019.18.2

Synonyms of RamositeHide

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 RamositeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Keutsch, F.N., Zheng, S.-L., Topa, D., Stanley, C. (2020) Ramosite, IMA 2019-099, in: CNMNC Newsletter 53. European Journal of Mineralogy: 32: 209-213. https://doi.org/10.5194/ejm-32-209-2020

Internet Links for RamositeHide

Localities for RamositeHide

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.
Peru (TL)
  • Lima
    • Oyon Province
Keutsch, F. N., Zheng, S.-L., Topa, D., and Stanley, C.: Ramosite, IMA 2019-099, in: CNMNC Newsletter 53, Eur. J. Mineral., 32, https://doi.org/10.5194/ejm-32-209-2020, 2020.
Mineral and/or Locality  
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