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Vivianite from
Cabeça do Cachorro claim, São Gabriel da Cachoeira, Amazonas, Brazil


03723320017272005565053.jpg
Vivianite, etc.

Cabeça do Cachorro claim, São Gabriel da Cachoeira, Amazonas, Brazil
05375830017272005593528.jpg
Vivianite

Cabeça do Cachorro claim, São Gabriel da Cachoeira, Amazonas, Brazil
00109460017272061415397.jpg
Vivianite

Cabeça do Cachorro claim, São Gabriel da Cachoeira, Amazonas, Brazil
07880930017272061413414.jpg
Vivianite

Cabeça do Cachorro claim, São Gabriel da Cachoeira, Amazonas, Brazil
03723320017272005565053.jpg
Vivianite, etc.

Cabeça do Cachorro claim, São Gabriel da Cachoeira, Amazonas, Brazil
05375830017272005593528.jpg
Vivianite

Cabeça do Cachorro claim, São Gabriel da Cachoeira, Amazonas, Brazil
09556790017362198382909.jpg
Vivianite

Cabeça do Cachorro claim, São Gabriel da Cachoeira, Amazonas, Brazil
08532390017362198395647.jpg
Vivianite

Cabeça do Cachorro claim, São Gabriel da Cachoeira, Amazonas, Brazil
08565480017272005616802.jpg
Vivianite, etc.

Cabeça do Cachorro claim, São Gabriel da Cachoeira, Amazonas, Brazil
05375830017272005593528.jpg
Vivianite

Cabeça do Cachorro claim, São Gabriel da Cachoeira, Amazonas, Brazil
00109460017272061415397.jpg
Vivianite

Cabeça do Cachorro claim, São Gabriel da Cachoeira, Amazonas, Brazil
01084520017362198409320.jpg
Vivianite

Cabeça do Cachorro claim, São Gabriel da Cachoeira, Amazonas, Brazil
Locality type:Claim
Classification
Species:Vivianite
Formula:Fe2+Fe22+(PO4)2 · 8H2O
Quality for species:Excellent - world class for species or very significant. (!!)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Ludlamite30
Siderite16
Goethite3
Limonite-mud1
Limonite-sediment1
Data
Mineral Data:Click here to view Vivianite data
Locality Data:Click here to view Cabeça do Cachorro claim, São Gabriel da Cachoeira, Amazonas, Brazil
Photo GalleryView Gallery (37 photos)
Data Identifiers
Mindat Occurrence Record ID:919723
Long-form Identifier:1:3:919723:7
GUID (UUID V4):0
References
Sergio Varvello collection
Vanda Porpino Lemos, Marcondes Lima da Costa e Ronaldo Lima Lemos, Mario Sergio Gomes de Faria (2007): Vivianite and siderite in lateritic iron: an example of bioreduction. Quím. Nova 30 (1), 36-40.
 
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