Nabiasite
A valid IMA mineral species
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About Nabiasite
Formula:
BaMn9(VO4)6(OH)2
In the type material, some of the vanadate is replaced by arsenate.
Colour:
dark red
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
4.32 (Calculated)
Crystal System:
Isometric
Name:
Named for the locality
This page provides mineralogical data about Nabiasite.
Unique Identifiers
Mindat ID:
7185
Long-form identifier:
mindat:1:1:7185:3
Similar Names
| Nabesite | A valid IMA mineral species | Na2BeSi4O10 · 4H2O |
IMA Classification of Nabiasite
Approved
IMA Formula:
BaMn2+9(V5+O4)6(OH)2
Approval year:
1997
Type description reference:
Classification of Nabiasite
8.BF.20
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
F : With medium-sized and large cations, (OH, etc.):RO4< 0.5:1
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
F : With medium-sized and large cations, (OH, etc.):RO4< 0.5:1
41.9.4.1
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
9 : (AB)5(XO4)3Zq
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
9 : (AB)5(XO4)3Zq
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Nbi | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Nabiasite
Vitreous
Transparency:
Transparent
Colour:
Dark red
Streak:
Dark yellow, almost orange
Hardness:
5 on Mohs scale
Hardness:
VHN100=465(67) (25 s test time) - Vickers
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
4.32(1) g/cm3 (Calculated)
Comment:
"nabiasite sinks in Clerici liquor (d = 4.04 g/cm3)
Optical Data of Nabiasite
Type:
Isotropic
RI values:
n = 2.025 - 2.036
Surface Relief:
Very High (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).
Relative to Canada balsam mounting medium (n ≈ 1.537).
This shows the grain boundary and Becke line effect under plane-polarised
light, based on the contrast between this mineral's average refractive
index and the mounting medium. It does not take into account mineral
colouration.
In focus
Comments:
RI calculated from Gladstone-Dale.
a slight anisotropy under crossed nicols
a slight anisotropy under crossed nicols
Chemistry of Nabiasite
Mindat Formula:
BaMn9(VO4)6(OH)2
In the type material, some of the vanadate is replaced by arsenate.
In the type material, some of the vanadate is replaced by arsenate.
Element Weights:
Crystallography of Nabiasite
Crystal System:
Isometric
Class (H-M):
m3(2/m3) - Diploidal
Space Group:
Pa3
Setting:
Pa3
Cell Parameters:
a = 12.832(2) Å
Unit Cell V:
2,112.92 ų (Calculated from Unit Cell)
Z:
4
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0006798 | Nabiasite | Brugger J, Bonin M, Schenk K J, Meisser N, Berlepsch P, Ragu A (1999) Description and crystal structure of nabiasite, BaMn9[(V,As)O4]6(OH)2, a new mineral from the Central Pyrenees (France) European Journal of Mineralogy 11 879-890 | 1999 | Central Pyrenees, France | 0 | 293 |
CIF Raw Data - click here to close
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Near-surface Processes | |
| 22 : Hydration and low-? subsurface aqueous alteration (see also #23) | |
| High-? alteration and/or metamorphism | |
| 32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits |
Type Occurrence of Nabiasite
General Appearance of Type Material:
anhedral grains up to 100 microns
Place of Conservation of Type Material:
"Musee Cantonal de Geologie", Lausanne, Switzerland (sample MGL65000)
Geological Setting of Type Material:
metamorphosed manganese ores.
Associated Minerals at Type Locality:
Reference:
Synonyms of Nabiasite
Other Language Names for Nabiasite
Common Associates
Associations Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 8.BF. | Manganoarrojadite-(KNa) | (KNa)(NaNa)Mn2+(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2 |
| 8.BF. | Sigismundite | (Ba◻)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2 |
| 8.BF.05 | Dickinsonite-(KMnNa) | (KNa)(Mn2+◻)Ca(Na2Na)Mn2+13Al(PO4)11(PO4)(OH)2 |
| 8.BF.05 | Arrojadite-(KNa) | (KNa)(NaNa)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2 |
| 8.BF.05 | Fluorarrojadite-(BaNa) | (Ba◻)(NaNa)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)F2 |
| 8.BF.05 | Arrojadite-(KFe) | (KNa)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2 |
| 8.BF.05 | Arrojadite-(PbFe) | (Pb◻)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2 |
| 8.BF.05 | Fluorarrojadite-(BaFe) | (Ba◻)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)F2 |
| 8.BF.05 | 'Unnamed (Ba-dominant member of dickinsonite group)' | |
| 8.BF.05 | 'Unnamed (Pb-dominant member of dickinsonite group)' | |
| 8.BF.05 | Arrojadite-(SrFe) | (Sr◻)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2 |
| 8.BF.05 | 'Arrojadite-(NaFe)' | (NaNa)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2 |
| 8.BF.05 | Arrojadite-(BaNa) | (Ba◻)(NaNa)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2 |
| 8.BF.05 | 'Arrojadite-(KFeNa)' | (KNa)(Fe2+◻)Ca(Na2Na)Fe2+13Al(PO4)11(PO4)(OH)2 |
| 8.BF.05 | 'Ferri-arrojadite-(BaNa)' | (Ba◻)(NaNa)Ca(Na2◻)Fe2+13Fe3+(PO4)11(PO3OH)(OH)2 |
| 8.BF.05 | 'Fluorarrojadite-(KNa)' | (KNa)(NaNa)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)F2 |
| 8.BF.05 | 'Fluorarrojadite-(NaFe)' | (NaNa)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)F2 |
| 8.BF.05 | Fluorcarmoite-(BaNa) | (Ba◻)(NaNa)Ca(Na2◻)Mg13Al(PO4)11(PO3OH)F2 |
| 8.BF.10 | Samuelsonite | (Ca,Ba)Ca8Fe2+2Mn2+2Al2(PO4)10(OH)2 |
| 8.BF.15 | Griphite | Na4Li2Ca6(Mn2+,Fe2+,Mg)19Al8(PO4)24(F,OH)8 |
| 8.BF.25 | Starovaite | KCu5O(VO4)3 |
| 8.BF.30 | Achyrophanite | (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5 |
| 8.BF.35 | Cryptochalcite | K2Cu5O(SO4)5 |
| 8.BF.35 | Cesiodymite | CsKCu5O(SO4)5 |
Fluorescence of Nabiasite
None
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 Nabiasite
mindat.org URL:
https://www.mindat.org/min-7185.html
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References for Nabiasite
Reference List:
Localities for Nabiasite
Showing 7 localities.
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.
France | |
| De Ascenção Guedes et al. (2002) |
| European Journal of Mineralogy (1999) +1 other reference |
| De Ascenção Guedes et al. (2002) |
Italy | |
| Pagano et al. (2001) |
| Bracco et al. (2001) |
| analysed by Dr. Anthony Kampf |
Japan | |
| Takashi Yamada (2008) |
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Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy