Blatonite
A valid IMA mineral species
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About Blatonite
Formula:
(UO2)CO3 · H2O
Colour:
Canary yellow
Lustre:
Silky
Hardness:
2 - 3
Specific Gravity:
4.05
Crystal System:
Hexagonal
Name:
Named in 1998 by R. Vochten and Michel Deliens in honor of Dr. Norbert Blaton [Zwalm, East-Flanders province, Belgium, May 25 1945-], crystallographer at the University of Leuven, Belgium, a specialist on the crystal structure of uranium minerals.
A secondary uranium mineral.
Chemically, simple uranyl(VI) carbonate monohydrate.
Chemically, simple uranyl(VI) carbonate monohydrate.
Unique Identifiers
Mindat ID:
6826
Long-form identifier:
mindat:1:1:6826:6
GUID
(UUID V4):
(UUID V4):
dc9c096c-01d8-49a5-880f-16e240acf04f
IMA Classification of Blatonite
Approved
IMA Formula:
(UO2)(CO3) · H2O
Approval year:
1997
First published:
1998
Classification of Blatonite
5.EB.10
5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
B : UO2:CO3 = 1:1
5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
B : UO2:CO3 = 1:1
Mineral Symbols
As of 2021 there are now IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Blt | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Blatonite
Silky
Transparency:
Translucent
Colour:
Canary yellow
Streak:
White
Hardness:
2 - 3 on Mohs scale
Tenacity:
Flexible
Fracture:
Irregular/Uneven
Density:
4.05(2) g/cm3 (Measured) 4.02 g/cm3 (Calculated)
Comment:
Measured in Clerici solution. Calculated value is based on ideal formula.
Optical Data of Blatonite
Type:
Uniaxial (+)
RI values:
nω = 1.588(2) nε = 1.612(2)
Max Birefringence:
δ = 0.024
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Pleochroism:
Non-pleochroic
Comments:
Length fast
Chemistry of Blatonite
Mindat Formula:
(UO2)CO3 · H2O
Elements listed:
Crystallography of Blatonite
Crystal System:
Hexagonal
Cell Parameters:
a = 15.79(1) Å, c = 23.93(3) Å
Ratio:
a:c = 1 : 1.516
Unit Cell V:
5,166.99 Ă
Âł (Calculated from Unit Cell)
Z:
36
Comment:
Point Group: n.d.; Space Group: n.d
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.056 Ă | (100) |
6.56 Ă | (77) |
6.91 Ă | (55) |
7.86 Ă | (47) |
4.76 Ă | (40) |
4.34 Ă | (36) |
3.39 Ă | (33) |
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] | |
47f : [Uranyl (Uâ¶âș) minerals] |
Type Occurrence of Blatonite
General Appearance of Type Material:
Very thin asbestiform aggegates; the bundles of needle-shaped subparallel fibers are up to 0.1 mm in width and 1 mm in length. Some crystals are fan-like and terminated.
Place of Conservation of Type Material:
Royal Belgian Institute of Natural Sciences, Brussels
Geological Setting of Type Material:
oxidized portions of a roll-front-type uranium deposit
Associated Minerals at Type Locality:
Reference:
Vochten, R., Deliens, M. (1998) Blatonite, UO2CO3·H2O, a new uranyl carbonate monohydrate from San Juan County, Utah. The Canadian Mineralogist: 36: 1077-1081.
Synonyms of Blatonite
Other Language Names for Blatonite
Common Associates
Associated Minerals Based on Photo Data:
4 photos of Blatonite associated with Gypsum | CaSO4 · 2H2O |
2 photos of Blatonite associated with Malachite | Cu2(CO3)(OH)2 |
2 photos of Blatonite associated with Magnioursilite | Mg4(UO2)4(Si2O5)5(OH)6 · 20H2O |
1 photo of Blatonite associated with Alunite | KAl3(SO4)2(OH)6 |
1 photo of Blatonite associated with Rutherfordine | (UO2)CO3 |
1 photo of Blatonite associated with Joliotite | (UO2)CO3 · nH2O |
1 photo of Blatonite associated with Magnesiozippeite | Mg(UO2)2(SO4)O2 · 3.5H2O |
1 photo of Blatonite associated with Leesite | K(H2O)2[(UO2)4O2(OH)5] · 3H2O |
1 photo of Blatonite associated with Chukhrovite-(Y) | Ca3(Y,Ce)(AlF6)2(SO4)F · 10H2O |
Related Minerals - Strunz-mindat Grouping
5.EB.05 | Rutherfordine | (UO2)CO3 |
5.EB.15 | Joliotite | (UO2)CO3 · nH2O |
5.EB.20 | Bijvoetite-(Y) | Y8(UO2)16(CO3)16O8(OH)8 · 39H2O |
Fluorescence of Blatonite
Fluoresces strongly greenish yellow under 360 nm UV
Other Information
Notes:
Soluble with effervescence in dilute mineral acids and in dilute organic acids such as acetic acid.
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 Blatonite
mindat.org URL:
https://www.mindat.org/min-6826.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Blatonite
Localities for Blatonite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - 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.
Czech Republic | |
| Jakub Plasil |
| Travis Olds collection |
Germany | |
| Bayerl et al. (12/21) |
| Möhn et al. (09/2020) |
Italy | |
| Gamboni et al. (2021) |
| Gamboni et al. (2021) |
| //doi.org/10.57635/MICRO.2023.21.9 |
Peru | |
| Douglas Bank Information July 2022 |
USA (TL) | |
| Min News 14:10 p 4 +2 other references |
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Jomac Mine, White Canyon Mining District, San Juan County, Utah, USA