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Hollandite from
Bailundo, Bailundo, Huambo Province, Angola


Locality type:Occurrence
Classification
Species:Hollandite
Formula:Ba(Mn64+Mn23+)O16
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hollandite data
Locality Data:Click here to view Bailundo, Bailundo, Huambo Province, Angola
Data Identifiers
Mindat Occurrence Record ID:487087
Long-form Identifier:1:3:487087:6
GUID (UUID V4):37288002-bdb8-4278-bfd3-da64659ee1e6
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
species in plutonic carbonatites: The Tchivira case, Angola Joan C. Melgarejo a, Alessandra Costanzo b,⁎, Aurora...Geologia, Universidade Agostinho Neto, Luanda, Angola a r t i c l e i n f o Article history: Received...Tchivira carbonatite, located 400 km south of Luanda (Angola), is a good example of a carbonatite body produced...Geological setting Most of the carbonatite complexes in Angola are found in the Lucapa structure (deVries Lapido-Loureiro...1200 km set of faults oriented NE–SW that cut the Angola–Congo craton (Issa Filho et al., 1991). Different
Journal (article/letter/editorial)
laterite (10 m thick), the manganese oxides (mainly hollandite, with associated cerianite) occur as veins or...Craton, in the southeastern part of the Rio Negro Province (Santos et al. 2000). The basement is represented...manganiferous laterite, the main Mn-oxide mineral is hollandite, with pyrolusite occurring only in the lowermost...hematite (20% to 45%), goethite (30% to 68%), hollandite (~12%), and cerianite (1%). The parageneses in...in the wider Mn-bearing veins (1 cm) is hollandite, pyrolusite, goethite, and cerianite combined in different
 
矿物 and/or 产地  
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