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Merelani (Mererani)

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Path to the site

Tansania / Manyara, Region / Simanjiro, Distrikt / Merelani (Mererani)

Jour­ney De­scrip­tion

40 km SE von Arusha.

Ex­po­sure de­scrip­tion

Hügellandschaft der Lelatema-Berge. Förderung von Edelsteinen wie Tansanit, Granaten, Saphir, Rubin

Ge­ol­o­gy

Graphitschiefer

GPS Co­or­d­i­nates

Merelani (Mererani) Edelstein Minen



Merelani (Mererani) Edelstein Minen

WGS 84: 
Lat.: 3.58333333° S, 
Long: 37.00833333° E
WGS 84: 
Lat.: 3° 34' 60" S,
   Long: 37° 0' 30" E
Local weather information, Macrostrat geological map

Mineralienatlas short URL

https://www.mineralatlas.eu/?l=3899
Please feel free to link to this location

Shortened path specification

Merelani, Simanjiro, Manyara, TZ
Useful for image descriptions and collection inscriptions

Important: Before entering this or any other place of discovery you should have a permission of the operator and/or owner. Likewise it is to be respected that necessary safety precautions are kept during the visit.

Additional Functions

Detailed Description

Neuere Funde

  • 2003 Alabandinkristalle bis 10 cm
  • 2011 Mesolith
  • 2013 blaue Prehnite
  • 2013 Wurtzite

Minerals (Count: 61)

?

Hint

- Click on one or more elements to see only minerals including this elements (green background).

- Click twice to exclude minerals with this element (green background, red text color).

resetAlAsBCCaCeClCrCuFFeGaGeHKMgMnMoNaNiOPPbSSbSeSiSnTiVZnZr
Merelaniite (TL)r
John A. Jaszczak 1, Michael S. Rumsey, Luca Bindi, Stephen A. Hackney, Michael A. Wise, Chris J. Stanley and John Spratt - Merelaniite, Mo4Pb4VSbS15, a New Molybdenum-Essential Member of the Cylindrite Group, from the Merelani Tanzanite Deposit, Lelatema Mountains, Manyara Region, Tanzania - Minerals 2016, 6(4), 11
(Manyara, Region/Simanjiro, Distrikt/Merelani (Mererani))
2 PM
Richardsite (TL)r
Luca Bindi and John A. Jaszczak - Richardsite, Zn2CuGaS4, A New Gallium-Essential Member of the Stannite Group from the Gem Mines near Merelani, Tanzania - Minerals 2020, 10, 467; doi:10.3390/min10050467
(Manyara, Region/Simanjiro, Distrikt/Merelani (Mererani))
PM
Tanzanite (Var.: Zoisite)r
Rosangela Bocchio, Ilaria Adamo, Valentina Bordoni, Franca Caucia, Valeria Diella: Gem-quality zoisite from Merelani (Northeastern Tanzania): review and new data. Periodico di Mineralogia – Roma 81, 3 (2012) 379-391.
(Manyara, Region/Simanjiro, Distrikt/Merelani (Mererani))
7 PM
Zoisiter
Bocchio R., Adamo, I., Bordoni, V., Caucia, F., Diella, V. (2012): Gem-quality zoisite from Merelani (Northeastern Tanzania): review and new data. Periodico di Mineralogia – Roma 81, 3 (2012) 379-391.

(Manyara, Region/Simanjiro, Distrikt/Merelani (Mererani))
2 PM
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Legend

Mineral -> approved mineral
Mineral (TL) -> mineral type locality
Mineral -> not approved mineral
-> pictures present
 5 -> number of part localities with these mineral
 M -> Link to common mineral page
 i -> Information etc.
 r -> Reference
Mineral ? -> Occurrence douptful

Actuality: 18. May 2022 - 07:00:38

Mineral images (197 Images total)

Merelaniite, Tremolite, Prehnite, Chabazite, Graphite, Calcite
Views (Image: 1477698403): 1404
Merelaniite, Tremolite, Prehnite, Chabazite, Graphite, Calcite

Cylindrical whisker (0.73 mm long) of merelaniite associated with tremolite, and prehnite (not shown also include graphite, calcite, and chabazite). Locality: Merelani Hills, Lelatema Mts, Simanjir...

Copyright: John Jaszczak
Contribution: Stefan 2016-10-29
More   MF 
Merelaniite
Views (Image: 1480437438): 980
Merelaniite

Optical photographs of merelaniite and some associated minerals: (a) 0.73-mm-long “cylindrical” whisker of merelaniite associated with tremolite, prehnite, and chabazite (private collection); (b) W...

Copyright: John A. Jaszczak
Contribution: Stefan 2016-11-29
More   MF 
Merelaniite, Stilbite, Graphite, Alabandite
Views (Image: 1480436152): 629
Merelaniite, Stilbite, Graphite, Alabandite

Whiskers of merelaniite, some showing an oscillatory variation in diameter, partly overgrown by stilbite crystals associated with small but very sharp graphite crystals. This was in a crevice in an...

Copyright: John A. Jaszczak
Contribution: Stefan 2016-11-29
More   MF 

Rocks (Count: 7)

Refresh list | View legend

Legend

Rock -> name of the rock
Rock (TL) -> rock type locality
-> pictures present
 5 -> number of part localities with these rock
 R -> Link to common rock page
 i -> Information etc.
 r -> Reference
Rock ? -> Occurrence douptful

Actuality: 18. May 2022 - 07:00:38

Subsidiary Pages

Refresh list | Fold level: 2 - 3 - 4 - 5 - Unfold all

Actuality: 18. May 2022 - 07:00:38

External Databases

min­dat.org

https://www.mindat.org/loc-5699.html

External links

Harrison, S. 2014, Spectacular Sulfides from the Merelani Tanzanite Deposit, Manyara Region, Tanzania, The Mineralogical Record, volume 45, September–October, 2014, S.1-18.

Reference- and Source indication, Literature

Literatur

  • Van Pelt, H. & Van Pelt, E. (1993). Titelbild = Zoisit. Min. Rec., Vol.24, H.3, S.1.
  • Hergarten, B. & Hergarten, M. (1995). Eindrücke und mineralogisch-geologische Notizen von der Tansanit-Grube in Mirerani bei Arusha/Tansania. Aufschluss, Jg.46, Nr.1, S.43-46.
  • Weibel, M. (1997). Zum Umschlagbild - Tansanit (blauer Zoisit) von Merelani (Ostafrika). Mineralienfr., Jg.35, Nr.1, S.1.
  • Zwyssig, B. (2002). Tansanit - begehrt und umstritten. Die unglaubliche Erfolgsgeschichte des Tansanit. Schw. Strahler, Nr.4, S.4-5 und 28-29.
  • Ries, G. & I. Passe (2006). Geologische Streifzüge durch Ostafrika: Der Norden Tansanias, von Arusha bis in die Serengeti. Aufschluss, Jg.57, H.6, S.383-92.
  • Lapis Red. (2009). Titelfoto: Diopsid auf blättrigen Graphit-Kristallen. Lapis, Jg.34, Nr.9, S.1.
  • Wilson, W.E., Saul, J.M., Pardieu, V. & Hughes, R.W. (2009). The Merelani Tanzanite Mines, Lelatema Mts., Arusha Region, Tanzania. Min. Rec., Vol.40, H.5, S.347-408.
  • Bocchio, R., I. Adamo, V. Bordoni, F. Caucia, V. Diella (2012): Gem-quality zoisite from Merelani (Northeastern Tanzania): review and new data. Per. Miner. Roma 81, 3, 379-91.
  • Weiß, S. (2015) Edelsteinbergbau in Merelani, Tansania. Lapis, Jg.40, S.12-33.
  • Weiß, S; J.A. Jaszczak, S. Harrison, J. Hintze & W. Radl (2015). Mertelani: Tansanit und seltene Sammlermineralien. Lapis, Jg.40, S.34-63.
  • Martelat, J.E. et al. (2017): Chronological constraints on tsavorite mineralizations and related metamorphic episodes in southeast Kenya. Can.Min., Vol. 55, No.5, S.845-65.
  • Bindi, L. a. J.A. Jaszczak (2020). Richardsite, Zn2CuGaS4, A New Gallium-Essential Member of the Stannite Group from the Gem Mines near Merelani, Tanzania - Minerals 2020, 10, 467. (Typ-Publ.)

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Einordnung