Mindat.org (original) (raw)

Locality type:

Pegmatite

Classification

Species:

Oxycalciomicrolite

Formula:

Ca2Ta2O6O

Confirmation

Validity:

Valid - Type Locality

Data

Mineral Data:

Click here to view Oxycalciomicrolite data

Locality Data:

Click here to view Fumal pegmatite, Nazareno, Minas Gerais, Brazil

Data Identifiers

Mindat Occurrence Record ID:

1360811

Long-form Identifier:

1:3:1360811:2

GUID (UUID V4):

a7b66cd7-7533-4c7d-87b3-b19572d2d9e8

References

Menezes da Silva, Victor H.R., Ávila, Ciro A., Neumann, Reiner, Faulstich, Fabiano R.L., Alves, Felipe E.A., de Almeida, Filipe B., Cidade, Tais Proença, Sousa, Sarah Siqueira da Cruz Guimarães (2020) Oxycalciomicrolite, (Ca,Na)2(Ta,Nb,Ti)2O6(O,F), a new member of the microlite group (pyrochlore supergroup) from the Paleoproterozoic São João del Rei Pegmatite Province, Minas Gerais state, Brazil. Mineralogical Magazine, 84 (6) 854-858 doi:10.1180/mgm.2020.74

Menezes da Silva, V.H.R., Neumann, R., Ávila, C.A., Faulstich, F.R.L., Alves, F.E.A., de Almeida, F.B. (2020): Oxycalciomicrolite, IMA 2019-110

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Report (issue)

Oxycalciomicrolite (Ca, Na)2(Ta, Nb, Ti)2O6(O, F) Crystal Data: Cubic. Point Group: 4/m 3 2/m. As...X-Ray Diffraction Pattern: Fumal pegmatite, near Nazareno, Minas Gerais, Brazil. 3.011 (100), 6.023 (89)...36 0.75 0.31 99.91 (1) Fumal pegmatite, near Nazareno, Minas Gerais, Brazil; average electron microprobe...Occurrence: In the saprolite of a weathered granitic pegmatite. Association: Columbite subgroup minerals, cassiterite...Distribution: From the Fumal pegmatite, 18 km north of Nazareno, Minas Gerais, Brazil [TL]; in the Varuträsk