Gumucionite
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Formula:
ZnS
Name:
Julio F. Gumucio was chief engineer at Llallagua, working for "tin baron" Simon Patino. In his old age he managed the railroad yard at the nearby smelter town of Machacamarca. His mineral collection was the finest ever assembled by a native Bolivian. The collection went to the Banco Minero after his death, then into storage for several years after the death of the bank. The remnants are now on display to the public in the Casa de la Moneda, in the City of Potosi.
A variety of sphalerite from Bolivia which is raspberry red in colour and contains 0.64% As. The colour is thought to be caused by admixed realgar throughout. Similar material from Chile contained 1.7% As uniformly distributed.
Unique Identifiers
Mindat ID:
1775
Long-form identifier:
mindat:1:1:1775:2
Chemistry of Gumucionite
Mindat Formula:
ZnS
Elements listed:
Other Language Names for Gumucionite
German:Gumucionit
Spanish:Gumucionita
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Gumucionite
mindat.org URL:
https://www.mindat.org/min-1775.html
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References for Gumucionite
Localities for Gumucionite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
Bolivia | |
| Wilson (2001) |
