Phosphovanadylite-Ba
A valid IMA mineral species
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Formula:
Ba[V4+4P2O8(OH)8] · 12H2O
Colour:
Light green-blue
Lustre:
Vitreous
Specific Gravity:
2.16
Crystal System:
Isometric
Name:
Named as phosphovanadylite after its composition of phosphate and the vanadyl (V4+O2)2- group. Renamed by IMA in August 2012 as phosphovanadylite-Ba.
This page provides mineralogical data about Phosphovanadylite-Ba.
Unique Identifiers
Mindat ID:
7234
Long-form identifier:
mindat:1:1:7234:8
GUID
(UUID V4):
(UUID V4):
35fe6965-daad-40e0-8192-2e093fe25750
IMA Classification of Phosphovanadylite-Ba
Approved
IMA status notes:
Renamed by the IMA
IMA Formula:
Ba[V4+4P2O12(OH)4] · 12H2O
Approval history:
1996: Approved as phosphovanadylite (IMA1996-037)
2012: Renamed as phosphovanadylite-Ba (IMA 12-A)
2012: Renamed as phosphovanadylite-Ba (IMA 12-A)
Classification of Phosphovanadylite-Ba
8.DM.20
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
M : With large and medium-sized cations, (OH, etc.):RO4 > 2:1
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
M : With large and medium-sized cations, (OH, etc.):RO4 > 2:1
42.13.15.1
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
13 : Miscellaneous
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
13 : Miscellaneous
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 |
---|---|---|
Pvd-Ba | 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 Phosphovanadylite-Ba
Vitreous
Transparency:
Transparent
Colour:
Light green-blue
Comment:
greenish black on oxidation after long exposure to air
Streak:
Very pale greenish blue
Density:
2.16(3) g/cm3 (Measured) 2.13 g/cm3 (Calculated)
Optical Data of Phosphovanadylite-Ba
Type:
Isotropic
RI values:
n = 1.566(4)
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Low
Chemistry of Phosphovanadylite-Ba
Mindat Formula:
Ba[V4+4P2O8(OH)8] · 12H2O
Crystallography of Phosphovanadylite-Ba
Crystal System:
Isometric
Class (H-M):
4 3m - Hextetrahedral
Space Group:
I4 3m
Cell Parameters:
a = 15.470(4) Å
Unit Cell V:
3,702.29 ų (Calculated from Unit Cell)
Z:
6
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.164 Å | (100) |
2.582 Å | (37) |
2.445 Å | (36) |
7.73 Å | (34) |
10.8 Å | (29) |
2.738 Å | (29) |
2.827 Å | (28) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47c : [Carbonates, phosphates, borates, nitrates] | |
47e : [Vanadates, chromates, manganates] |
Type Occurrence of Phosphovanadylite-Ba
General Appearance of Type Material:
Pseudocubes, to 50 μm,
Geological Setting of Type Material:
organic-rich phosphatic mudstone.
Associated Minerals at Type Locality:
Reference:
Medrano, M. D., Evans, H. T., Jr., Wenk, H.-R. and Piper, D. Z. (1998): Phosphovanadylite: A new vanadium phosphate mineral with a zeolite-type structure. American Mineralogist: 83: 889-895.
Synonyms of Phosphovanadylite-Ba
Other Language Names for Phosphovanadylite-Ba
German:Phosphovanadylit
Russian:Фосфованадилит
Related Minerals - Strunz-mindat Grouping
8.DM. | Betpakdalite-CaMg | [Ca2(H2O)17Mg(H2O)6][Mo8As2Fe3+3O36(OH)] |
8.DM. | Betpakdalite-FeFe | [Fe3+2 (H2O)15(OH)2Fe3+(H2O)6][Mo8As2Fe3+3O37] |
8.DM. | Penriceite | [Mg(H2O)6][Na(H2O)2Al3(PO4)2F6] · H2O |
8.DM. | Elliottite | NaMgAl3(PO4)2F6 · 9H2O |
8.DM. | Sarrochite | [Ca4(H2O)38][Mo8P2Fe3+3O37(OH)] |
8.DM. | Tomsquarryite | NaMgAl3(PO4)2(OH)6 · 8H2O |
8.DM.05 | Morinite | NaCa2Al2(PO4)2(OH)F4 · 2H2O |
8.DM.05 | Esperanzaite | NaCa2Al2(AsO4)2(OH)F4 · 2H2O |
8.DM.10 | Tyrolite | Ca2Cu9(AsO4)4(CO3)(OH)8 · 11H2O |
8.DM.10 | Tangdanite | Ca2Cu9(AsO4)4(SO4)0.5(OH)9 · 9H2O |
8.DM.15 | Betpakdalite-CaCa | [Ca2(H2O)17Ca(H2O)6][Mo6+8As5+2Fe3+3O36(OH)] |
8.DM.15 | Melkovite | [Ca2(H2O)15Ca(H2O)6][Mo8P2Fe3+3O36(OH)] |
8.DM.15 | Betpakdalite-NaCa | [Na2(H2O)17Ca(H2O)6][Mo6+8As5+2Fe3+3O34(OH)3] |
8.DM.20 | Phosphovanadylite-Ca | Ca[V4+4P2O12(OH)4] · 12H2O |
8.DM.25 | Yukonite | Ca3Fe3+(AsO4)2(OH)3 · 5H2O |
8.DM.30 | Uduminelite | Ca3Al8(PO4)2O12 · 2H2O |
8.DM.35 | Aldermanite | [Mg(H2O)6][Na(H2O)2Al3(PO4)2(OH,F)6] · H2O |
8.DM.35 | Azovskite | Fe3+3(PO4)(OH)6 or near |
8.DM.35 | Delvauxite | CaFe4(PO4,SO4)2(OH)8 · 4-6H2O not confirmed |
8.DM.40 | Santafeite | (Na,Ca,Sr)12(Mn2+,Fe3+,Al,Mg)8Mn4+8(VO4)16(OH,O)20 · 8H2O |
8.DM.55 | Tapiaite | Ca5Al2(AsO4)4(OH)4 · 12H2O |
8.DM.60 | Alcantarillaite | [Fe3+0.5(H2O)4][CaAs3+2(Fe3+2.5W6+0.5)(AsO4)2O7] |
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 Phosphovanadylite-Ba
mindat.org URL:
https://www.mindat.org/min-7234.html
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References for Phosphovanadylite-Ba
Reference List:
Localities for Phosphovanadylite-Ba
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).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
USA (TL) | |
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