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Eliopoulosite

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Formula:
V7S8
Lustre:
Metallic
Specific Gravity:
4.545 (Calculated)
Crystal System:
Trigonal
Name:
Dr. Demetrios Eliopoulos (1947–2019), a geoscientist at the Institute of Geology and Mineral Exploration (IGME) of Greece and his widow, Prof. Maria Eliopoulos (nee Economou, 1947), University of Athens, Greece
Known synthetic analogue. Chemically similar to patrónite.


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Classification of EliopoulositeHide

Approved
Approval Year:
2020

Physical Properties of EliopoulositeHide

Metallic
Transparency:
Opaque
Tenacity:
Brittle
Density:
4.545 g/cm3 (Calculated)

Optical Data of EliopoulositeHide

Anisotropism:
weakly anisotropic light to dark greenish
Bireflectance:
None
Colour in reflected light:
grayish-brown
Internal Reflections:
None
Pleochroism:
Non-pleochroic

Chemical Properties of EliopoulositeHide

Formula:
V7S8

Crystallography of EliopoulositeHide

Crystal System:
Trigonal
Class (H-M):
3 2 - Trapezohedral
Space Group:
P32 2 1
Cell Parameters:
a = 6.689(3) Å, c = 17.403(6) Å
Ratio:
a:c = 1 : 2.602
Unit Cell V:
674.34 ų (Calculated from Unit Cell)
Z:
3

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.896Å(29)
2.591Å(45)
2.049Å(100)
1.672Å(40)
1.608Å(10)
1.296Å(20)
1.096Å(15)
1.024Å(12)
Comments:
From Type Description.

Geological EnvironmentHide

Paragenetic Mode(s):

Type Occurrence of EliopoulositeHide

General Appearance of Type Material:
Tiny crystals (from 5 µm up to about 80 µm) and is anhedral to subhedral in habit.
Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Museo di Storia Naturale, Università di Pisa, Via Roma 79, Calci (PI), Italy, catalogue number 19911
Associated Minerals at Type Locality:
Reference:
Bindi, L.; Zaccarini, F.; Bonazzi, P.; Grammatikopoulos, T.; Tsikouras, B.; Stanley, C.; Garuti, G. (2020) Eliopoulosite, V7S8, A New Sulfide from the Podiform Chromitite of the Othrys Ophiolite, Greece. Minerals 10, 245.

Synonyms of EliopoulositeHide

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 EliopoulositeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bindi, L., Zaccarini, F., Bonazzi, P., Grammatikopoulos, T., Tsikouras, B., Stanley, C.J., Garuti, G. (2020) Eliopoulosite, IMA 2019-096, in: CNMNC Newsletter 53. European Journal of Mineralogy: 32: 209-213. https://doi.org/10.5194/ejm-32-209-2020
Bindi, L.; Zaccarini, F.; Bonazzi, P.; Grammatikopoulos, T.; Tsikouras, B.; Stanley, C.; Garuti, G. (2020) Eliopoulosite, V7S8, A New Sulfide from the Podiform Chromitite of the Othrys Ophiolite, Greece. Minerals 10, 245.

Internet Links for EliopoulositeHide

Localities for EliopoulositeHide

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.
Greece (TL)
 
  • Central Greece
    • Phthiotis
      • Domokos
Bindi, L., Zaccarini, F., Bonazzi, P., Grammatikopoulos, T., Tsikouras, B., Stanley, C. J., and Garuti, G.: Eliopoulosite, IMA 2019-096, 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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