Voglite
A valid IMA mineral species - grandfathered
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About Voglite
Formula:
Ca2Cu(UO2)(CO3)4 · 6H2O
Colour:
Bright grass-green, emerald-green
Lustre:
Pearly
Specific Gravity:
2.8
Crystal System:
Monoclinic
Name:
Named after Josef Florian Vogl (November 6, 1818 Kamenický Šenov - October 1, 1896 in Horní Blatná), Austrian mining official.
A secondary mineral formed from the alteration of Uraninite.
Easily confused with liebigite (Axelrod et al. 1951).
Easily confused with liebigite (Axelrod et al. 1951).
Unique Identifiers
Mindat ID:
4199
Long-form identifier:
mindat:1:1:4199:3
GUID
(UUID V4):
(UUID V4):
29a327da-0fe0-4731-9e20-3e9f3f7a44d5
IMA Classification of Voglite
Approved, 'Grandfathered' (first described prior to 1959)
First published:
1853
Classification of Voglite
5.EE.05
5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
E : UO2:CO3= 1:4
5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
E : UO2:CO3= 1:4
15.3.5.1
15 : HYDRATED NORMAL CARBONATES
3 : AmBn(XO3)p·xH2O, with (m+n):p = 1:1
15 : HYDRATED NORMAL CARBONATES
3 : AmBn(XO3)p·xH2O, with (m+n):p = 1:1
11.11.11
11 : Carbonates
11 : Carbonates of Cr and U
11 : Carbonates
11 : Carbonates of Cr and U
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 |
|---|---|---|
| Vgl | 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 Voglite
Pearly
Colour:
Bright grass-green, emerald-green
Streak:
Light green
Tenacity:
Brittle
Cleavage:
Perfect
{010}
{010}
Density:
2.8 g/cm3 (Measured) 3.06 g/cm3 (Calculated)
Optical Data of Voglite
Type:
Biaxial (+)
RI values:
nα = 1.541 nβ = 1.547 nγ = 1.564
2V:
Measured: 60° , Calculated: 62°
Max Birefringence:
δ = 0.023
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:
Low
Dispersion:
r > v strong
Pleochroism:
Visible
Comments:
X = Deep bluish green
Y = Deep bluish green
Z = Pale yellowish
Y = Deep bluish green
Z = Pale yellowish
Chemistry of Voglite
Mindat Formula:
Ca2Cu(UO2)(CO3)4 · 6H2O
Crystallography of Voglite
Crystal System:
Monoclinic
Cell Parameters:
a = 25.97 Å, b = 24.5 Å, c = 10.7 Å
β = 104°
β = 104°
Ratio:
a:b:c = 1.06 : 1 : 0.437
Unit Cell V:
6,605.81 ų (Calculated from Unit Cell)
Z:
16
Morphology:
Rhomboidal scales forming coatings.
Twinning:
Lamellar twinning visible when plates turned on edge. Small extinction angles.
Comment:
Point Group: 2/m or 2
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 12.6 Å | (100) |
| 8.70 Å | (100) |
| 9.65 Å | (80) |
| 7.10 Å | (60) |
| 4.32 Å | (50) |
| 6.13 Å | (40) |
| 4.65 Å | (30) |
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 (U⁶⁺) minerals] |
Type Occurrence of Voglite
General Appearance of Type Material:
Aggregates of bundled scales.
Place of Conservation of Type Material:
No designated type material.
Geological Setting of Type Material:
Uranium deposit. Oxidation product of uraninite.
Associated Minerals at Type Locality:
Other Language Names for Voglite
Spanish:Voglita
Common Associates
Associated Minerals Based on Photo Data:
| 15 photos of Voglite associated with Liebigite | Ca2(UO2)(CO3)3 · 11H2O |
| 13 photos of Voglite associated with Zellerite | Ca(UO2)(CO3)2 · 5H2O |
| 5 photos of Voglite associated with Gypsum | CaSO4 · 2H2O |
| 4 photos of Voglite associated with Uraninite | UO2 |
| 2 photos of Voglite associated with Goethite | α-Fe3+O(OH) |
| 2 photos of Voglite associated with Metazellerite | Ca(UO2)(CO3)2 · 3H2O |
| 1 photo of Voglite associated with Azurite | Cu3(CO3)2(OH)2 |
| 1 photo of Voglite associated with Sandstone |
Related Minerals - Strunz-mindat Grouping
| 5.EE.10 | Shabaite-(Nd) | Ca(Nd,Sm,Y)2(UO2)(CO3)4(OH)2 · 6H2O |
Other Information
Notes:
Soluble in acids with effervescence.
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 Voglite
mindat.org URL:
https://www.mindat.org/min-4199.html
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External Links:
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References for Voglite
Reference List:
Larsen, Esper S. (1921) The microscopic determination of the nonopaque minerals. Bulletin Vol. 679. US Geological Survey doi:10.3133/b679 p.154
Localities for Voglite
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.
Czech Republic (TL) | |
| Palache et al. (1951) +1 other reference |
| Pauliš P. et al. (Kutna Hora, issue 1) +1 other reference |
France | |
| - (1998) |
| - (1998) | |
Germany | |
| In the collection of Brent Thorne. ... |
Poland | |
| Banaś M. |
USA | |
| Galbraith (1959) +1 other reference |
| Meschter (1953) |
| A Listing of North Carolina Minerals- ... | |
| ... | |
| Bullock (1981) |
Quick NavTopAbout VogliteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography X-Ray Powder DiffractionGeological EnvironmentType Occurrence Other LanguagesCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic