Smrkovecite
A valid IMA mineral species
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About Smrkovecite
Formula:
Bi2(PO4)O(OH)
Colour:
White, light yellow
Lustre:
Adamantine, Vitreous
Hardness:
4 - 5
Specific Gravity:
4.75 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
Named after its discovery locality.
Unique Identifiers
Mindat ID:
7299
Long-form identifier:
mindat:1:1:7299:7
GUID
(UUID V4):
(UUID V4):
8ad21e74-2d57-4539-a5d3-5e04a7c4ade0
IMA Classification of Smrkovecite
Classification of Smrkovecite
8.BO.15
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
O : With only large cations, (OH, etc.):RO4 about 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
O : With only large cations, (OH, etc.):RO4 about 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 |
---|---|---|
Skc | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Smrkovecite
Adamantine, Vitreous
Colour:
White, light yellow
Hardness:
4 - 5 on Mohs scale
Cleavage:
Poor/Indistinct
Indistinct on {010}
Indistinct on {010}
Fracture:
Sub-Conchoidal
Density:
4.75 g/cm3 (Calculated)
Optical Data of Smrkovecite
Type:
Biaxial (+)
RI values:
nα = 2.050 nβ = 2.060 nγ = 2.090
2V:
Measured: 58° to 61°, Calculated: 62°
Max Birefringence:
δ = 0.040
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:
Very High
Dispersion:
r < v strong
Chemistry of Smrkovecite
Mindat Formula:
Bi2(PO4)O(OH)
Elements listed:
Crystallography of Smrkovecite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 6.954 Å, b = 7.494(4) Å, c = 10.869(6) Å
β = 107.00(6)°
β = 107.00(6)°
Ratio:
a:b:c = 0.928 : 1 : 1.45
Unit Cell V:
541.67 Ă
Âł (Calculated from Unit Cell)
Z:
4
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.254 Ă | (100) |
3.271 Ă | (51) |
3.145 Ă | (34) |
2.727 Ă | (29) |
4.268 Ă | (17) |
1.885 Ă | (16) |
2.544 Ă | (14) |
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] | |
47d : [Arsenates, antimonates, selenates, bismuthinates] | |
Stage 10b: Anthropogenic minerals | <10 Ka |
55 : Anthropogenic mine minerals |
Type Occurrence of Smrkovecite
General Appearance of Type Material:
Crusts and mamillary to spherical aggregates to 0.2 mm, and as intergrown crystals to 0.1 mm.
Place of Conservation of Type Material:
National Museum, Prague, Czech Republic, P1N84596.
Geological Setting of Type Material:
Cavities in quartz.
Associated Minerals at Type Locality:
Synonyms of Smrkovecite
Other Language Names for Smrkovecite
German:Smrkovecit
Spanish:Smrkovecita
Relationship of Smrkovecite to other Species
Member of:
Other Members of this group:
Atelestite | Bi2(AsO4)O(OH) | Mon. 2/m : P21/b |
Hechtsbergite | Bi2(VO4)O(OH) | Mon. 2/m : P21/b |
Common Associates
Associated Minerals Based on Photo Data:
2 photos of Smrkovecite associated with Petitjeanite | Bi3(PO4)2O(OH) |
Related Minerals - Strunz-mindat Grouping
8.BO. | Ariegilatite | BaCa12(SiO4)4(PO4)2F2O |
8.BO. | Aravaite | Ba2Ca18(SiO4)6(PO4)3(CO3)F3O |
8.BO. | Theuerdankite | Ag3AsO4 |
8.BO.05 | Nacaphite | Na2Ca(PO4)F |
8.BO.10 | Preisingerite | Bi3(AsO4)2O(OH) |
8.BO.10 | Petitjeanite | Bi3(PO4)2O(OH) |
8.BO.10 | Schumacherite | Bi3(VO4)2O(OH) |
8.BO.15 | Atelestite | Bi2(AsO4)O(OH) |
8.BO.15 | Hechtsbergite | Bi2(VO4)O(OH) |
8.BO.20 | Kombatite | Pb14(VO4)2O9Cl4 |
8.BO.20 | Sahlinite | Pb14(AsO4)2O9Cl4 |
8.BO.25 | Heneuite | CaMg5(CO3)(PO4)3(OH) |
8.BO.30 | Nefedovite | Na5Ca4(PO4)4F |
8.BO.35 | Kuznetsovite | [Hg2]2+Hg2+[AsO4]Cl |
8.BO.40 | Artsmithite | [Hg2]2+2Al(PO4)1.74(OH)1.78 |
8.BO.45 | Schlegelite | Bi7(AsO4)3(MoO4)2O4 |
8.BO.50 | Hereroite | [Pb32(O,â»)21](AsO4)2[(Si,As,V,Mo]O4)2Cl10 |
8.BO.50 | Erikjonssonite | (Pb32O21)[(V,Si,Mo,As)O4]4Cl9 |
8.BO.55 | RudabĂĄnyaite | (Ag2Hg2)(AsO4)Cl |
8.BO.60 | Segerstromite | Ca3(As5+O4)2[As3+(OH)3]2 |
8.BO.65 | Wiklundite | Pb2(Mn2+,Zn)3(Fe3+,Mn2+)2(Mn2+,Mg)19(As3+O3)2[(Si,As5+)O4]6(OH)18Cl6 |
Fluorescence of Smrkovecite
Not fluorescent.
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 Smrkovecite
mindat.org URL:
https://www.mindat.org/min-7299.html
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Please feel free to link to this page.
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References for Smrkovecite
Reference List:
Localities for Smrkovecite
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 | |
| Lapis 2002 (7/8) |
| ĆĂdkoĆĄil et al. (1996) |
UK | |
| George Eric Stanley Curtis collection |
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Smrkovec, BĆezovĂĄ, Sokolov District, Karlovy Vary Region, Czech Republic