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Schiavinatoite from
Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar


00981330017271928957378.jpg
Schiavinatoite, etc.

Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar
09205450017272002997025.jpg
Schiavinatoite, etc.

Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar
07483190017272003017338.jpg
Schiavinatoite, etc.

Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar
03940470017272003031540.jpg
Schiavinatoite, etc.

Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar
00981330017271928957378.jpg
Schiavinatoite, etc.

Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar
09205450017272002997025.jpg
Schiavinatoite, etc.

Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar
07483190017272003017338.jpg
Schiavinatoite, etc.

Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar
03940470017272003031540.jpg
Schiavinatoite, etc.

Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar
02608110017271929096681.jpg
Schiavinatoite, etc.

Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar
09205450017272002997025.jpg
Schiavinatoite, etc.

Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar
07483190017272003017338.jpg
Schiavinatoite, etc.

Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar
03940470017272003031540.jpg
Schiavinatoite, etc.

Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar
Locality type:Mine
Classification
Species:Schiavinatoite
Formula:Nb(BO4)
Chemical Analyses:
Oxide wt%:
1
B2O316.60 %
Nb2O533.08 %
Ta2O550.37 %
Total:100.05 %
Empirical formulas:
1(Nb0.52Ta0.48 ) Σ1.00BO4
Sample references:
1Type Specimen
Demartin, Francesco; Diella, Valeria; Gramaccioli, Carlo M.; Pezzotta, Federico (2001) Schiavinatoite, (Nb,Ta)BO4, the Nb analogue of behierite. European Journal of Mineralogy, 13 (1). 159-165 doi:10.1127/0935-1221/01/0013-0159
Habit:as cryptocrystalline portions in behierite
Abundance at site:Very Rare
Confirmation
Validity:Valid - Type Locality
Associated Minerals Based on Photo Data:
Béhierite3
Tourmaline3
Microcline2
Quartz2
Albite2
Elbaite-Liddicoatite Series2
Rynersonite1
Londonite1
Data
Mineral Data:Click here to view Schiavinatoite data
Locality Data:Click here to view Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar
Photo GalleryView Gallery (8 photos)
Data Identifiers
Mindat Occurrence Record ID:21374
Long-form Identifier:1:3:21374:7
GUID (UUID V4):0
References
Demartin, Francesco; Diella, Valeria; Gramaccioli, Carlo M.; Pezzotta, Federico (2001) Schiavinatoite, (Nb,Ta)BO4, the Nb analogue of behierite. European Journal of Mineralogy, 13 (1). 159-165 doi:10.1127/0935-1221/01/0013-0159
Pezzotta, Federico (2001) Schiavinatoit und Behierit aus Madagaskar [Schiavinatoite and Behierite from Madagascar]. Lapis, 26 (10). 47-49
 
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