Uralolite
A valid IMA mineral species - grandfathered
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About Uralolite
Formula:
Ca2Be4(PO4)3(OH)3 · 5H2O
Colour:
Colourless, white, brown
Lustre:
Vitreous, Silky
Hardness:
2½
Specific Gravity:
2.05 - 2.14
Crystal System:
Monoclinic
Name:
Named after its discovery locality in the Ural Mountains, Russia
This page provides mineralogical data about Uralolite.
Unique Identifiers
Mindat ID:
4099
Long-form identifier:
mindat:1:1:4099:6
GUID
(UUID V4):
(UUID V4):
1916cf88-c9e3-46e1-a4f0-781095dd25c3
IMA Classification of Uralolite
Approved, 'Grandfathered' (first described prior to 1959)
First published:
1964
Classification of Uralolite
8.DA.15
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
A : With small (and occasionally larger) cations
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
A : With small (and occasionally larger) cations
42.7.6.1
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
7 : (AB)2(XO4)Zq·xH2O
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
7 : (AB)2(XO4)Zq·xH2O
19.3.7
19 : Phosphates
3 : Phosphates of Be and Mg
19 : Phosphates
3 : Phosphates of Be and Mg
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 |
---|---|---|
Url | 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 Uralolite
Vitreous, Silky
Transparency:
Transparent, Translucent
Comment:
Silky in aggregates, vitreous on individual crystals
Colour:
Colourless, white, brown
Streak:
White
Hardness:
2½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
{010}, {100} indistinct
{010}, {100} indistinct
Fracture:
Conchoidal
Density:
2.05 - 2.14 g/cm3 (Measured) 2.197 g/cm3 (Calculated)
Optical Data of Uralolite
Type:
Biaxial (-)
RI values:
nα = 1.510 - 1.512 nβ = 1.525 - 1.526 nγ = 1.533 - 1.536
2V:
Measured: 66° , Calculated: 70°
Max Birefringence:
δ = 0.023 - 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:
Low
Dispersion:
none
Chemistry of Uralolite
Mindat Formula:
Ca2Be4(PO4)3(OH)3 · 5H2O
Crystallography of Uralolite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 6.550(1) Å, b = 16.005(3) Å, c = 15.969(4) Å
β = 101.64(2)°
β = 101.64(2)°
Ratio:
a:b:c = 0.409 : 1 : 0.998
Unit Cell V:
1,639.65 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Acicular to lath-like prismatic with elongation parallel to [100] and
bladed development on {010}. Striations parallel to [100]. Forms {021}, {010}, {001} and {101}.
bladed development on {010}. Striations parallel to [100]. Forms {021}, {010}, {001} and {101}.
Twinning:
Twinning reported from some localities (ex. Newry, Maine)
Comment:
Space Group: P21/n.
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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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) |
---|---|---|---|---|---|---|---|
0006579 | Uralolite | Mereiter K, Niedermayr G, Walter F (1994) Uralolite, Ca2Be4(PO4)3(OH)3*5H2O: new data and crystal structure European Journal of Mineralogy 6 887-896 | 1994 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.56 Å | (100) |
2.654 Å | (100 b) |
3.07 Å | (90) |
2.050 Å | (90 b) |
1.728 Å | (90) |
4.35 Å | (80) |
3.21 Å | (80) |
1.972 Å | (80) |
7.09 Å | (70) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 4b: Highly evolved igneous rocks | >3.0 |
34 : Complex granite pegmatites | |
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47c : [Carbonates, phosphates, borates, nitrates] |
Type Occurrence of Uralolite
General Appearance of Type Material:
Concretions composed of radiating fibrous spherulites of diameter 2-3 mm and in sheaf-like growths.
Place of Conservation of Type Material:
1) Il’menskii Preserve Museum, Miass, 5523.
2) A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 75439.
2) A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 75439.
Geological Setting of Type Material:
In kaolin-hydromuscovite rocks.
Associated Minerals at Type Locality:
Reference:
Grigor'ev, N.A. (1964) Uralolite - a new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 93(2): 156-162.
Other Language Names for Uralolite
Common Associates
Associated Minerals Based on Photo Data:
7 photos of Uralolite associated with Roscherite | Ca2Mn2+5Be4(PO4)6(OH)4 · 6H2O |
4 photos of Uralolite associated with Beryllonite | NaBePO4 |
4 photos of Uralolite associated with Pyrite | FeS2 |
3 photos of Uralolite associated with Hydroxylherderite | CaBe(PO4)(OH) |
2 photos of Uralolite associated with Nontronite | Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O |
1 photo of Uralolite associated with Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
1 photo of Uralolite associated with Beryl | Be3Al2(Si6O18) |
1 photo of Uralolite associated with Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
1 photo of Uralolite associated with Weinebeneite | CaBe3(PO4)2(OH)2 · 4H2O |
1 photo of Uralolite associated with Muscovite | KAl2(AlSi3O10)(OH)2 |
Related Minerals - Strunz-mindat Grouping
8.DA.05 | Bearsite | Be2(AsO4)(OH) · 4H2O |
8.DA.05 | Moraesite | Be2(PO4)(OH) · 4H2O |
8.DA.10 | Roscherite | Ca2Mn2+5Be4(PO4)6(OH)4 · 6H2O |
8.DA.10 | Zanazziite | Ca2Mg5Be4(PO4)6(OH)4 · 6H2O |
8.DA.10 | Greifensteinite | Ca2Fe2+5Be4(PO4)6(OH)4 · 6H2O |
8.DA.10 | Atencioite | Ca2Fe2+3Mg2Be4(PO4)6(OH)4 · 6H2O |
8.DA.10 | Ruifrancoite | Ca2(◻,Mn)2(Fe3+,Mn,Mg)4Be4(PO4)6(OH)4(OH,H2O)2 · 4H2O |
8.DA.10 | Guimarãesite | Ca2Be4Zn5(PO4)6(OH)4 · 6H2O |
8.DA.10 | Footemineite | Ca2Mn2+Mn2+2Mn2+2Be4(PO4)6(OH)4 · 6H2O |
8.DA.10 | Okruschite | Ca2Mn2+5Be4(AsO4)6(OH)4 · 6H2O |
8.DA.20 | Weinebeneite | CaBe3(PO4)2(OH)2 · 4H2O |
8.DA.25 | Tiptopite | K2(Na,Ca)2Li3Be6(PO4)6(OH)2 · H2O |
8.DA.40 | Spencerite | Zn4(PO4)2(OH)2 · 3H2O |
8.DA.45 | Glucine | CaBe4(PO4)2(OH)4 · 0.5H2O |
Fluorescence of Uralolite
Uralolite from Dunton Quarry, Newry, Maine, USA fluoresces yellow-green. Uralolite from Ponte do Piauí claim, Taquaral, Brazil fluoresces medium cherry-red.
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 Uralolite
mindat.org URL:
https://www.mindat.org/min-4099.html
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References for Uralolite
Reference List:
Dunn, Pete J., Gaines, Richard V. (1978) Uralolite from the Dunton Gem Mine, Newry, Maine: a Second Occurrence. The Mineralogical Record, 9 (2) Tucson. 99-100
Mereiter, Kurt, Niedermayr, Gerhard, Walter, Franz (1994) Uralolite, Ca2Be4(PO4)3(OH)3·5H2O: new data and crystal structure. European Journal of Mineralogy, 6 (6) 887-896 doi:10.1127/ejm/6/6/0887
Jambor, John L., Puziewirz, Jacek, Roberts, Andrew C. (1995) New Mineral Names. American Mineralogist, 80. 1328-1333
Localities for Uralolite
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.
Austria | |
| Walter (1992) +1 other reference |
Brazil | |
| Luis Menezes |
Germany | |
| Habel (1995) |
| Habel |
Russia (TL) | |
| Grigoriev (1964) +1 other reference |
USA | |
| Thompson et al. (2000) |
| Falster et al. (2019) |
| Dunn et al. (1978) |
| Dallaire (2022) |
| Hanahan (1985) |
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Spodumene prospect, Brandrücken, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria