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Šreinite

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Formula:
Pb(BiO)3(UO2)4(PO4)2(OH)7·4H2O
Colour:
Yellow with an orange tint
Lustre:
Vitreous
Hardness:
2 - 4
Specific Gravity:
5.2 (Calculated)
Crystal System:
Isometric
Name:
After Vladimír Šrein (b.1953), Czech mineralogist, who found the first specimens of this mineral.
The phosphate analogue of Asselbornite.

Originated by supergene weathering.


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Classification of ŠreiniteHide

Approved
Approval Year:
2004
8.ED.10

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
D : Unclassified

Physical Properties of ŠreiniteHide

Vitreous
Transparency:
Opaque
Comment:
Glossy
Colour:
Yellow with an orange tint
Streak:
Pale yellow
Hardness:
2 - 4 on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
5.2 g/cm3 (Calculated)

Optical Data of ŠreiniteHide

Type:
Isotropic

Chemical Properties of ŠreiniteHide

Formula:
Pb(BiO)3(UO2)4(PO4)2(OH)7·4H2O
IMA Formula:
Pb(UO2)4(BiO)3(PO4)2(OH)7 · 4H2O

Crystallography of ŠreiniteHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Im3m
Cell Parameters:
a = 15.5728 Å
Unit Cell V:
3,776.59 ų (Calculated from Unit Cell)
Z:
5
Morphology:
Irregular coatings to 0.2mm thick. Crystals not observed.
Comment:
Space Groups termed as possible. May also be 1432, Im3 or 123.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.513(53)
4.499(48)
4.163(100)
3.671(77)
3.484(31)
3.179(99)
2.596(54)
1.9776(30)
Comments:
From type description.

Type Occurrence of ŠreiniteHide

General Appearance of Type Material:
In fissures of quartz gangue at an agrarian dumping site.
Associated Minerals at Type Locality:

Synonyms of ŠreiniteHide

Related Minerals - Nickel-Strunz GroupingHide

8.ED.05MoreauiteAl3(UO2)(PO4)3(OH)2 · 13H2O
8.ED.10AsselbornitePb(BiO)3(UO2)4(AsO4)2(OH)7·4H2OIso.
8.ED.10MetalodèviteZn(UO2)2(AsO4)2 · 10H2OTet.
8.ED.15KamitugaitePbAl[(UO2)5(PO4)2.38(AsO4)0.62O2(OH)2] · 11.5H2OTric. 1 : P1

Fluorescence of ŠreiniteHide

No fluorescence noted in UV.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for ŠreiniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Sejkora, Jiří; Čejka, Jiří (2007): Šreinite from Horní Halže, the Krušné hory Mountains, Czech Republic, a new mineral species, its comparison with asselbornite from Schneeberg, and new data for asselbornite. Neues Jahrbuch für Mineralogie, Abhandlungen, 184, 197-206.

Internet Links for ŠreiniteHide

Localities for ŠreiniteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Czech Republic (TL)
 
  • Ústí Region
    • Krušné Hory Mts (Erzgebirge)
      • Klášterec nad Ohří
Sejkora, Jiří; Čejka, Jiří (2007), Šreinite from Horní Halže, the Krušné hory Mountains, Czech Republic, a new mineral species, its comparison with asselbornite from Schneeberg, and new data for asselbornite. Neues Jahrbuch für Mineralogie - Abhandlungen, Volume 184(2)197-206.
Mineral and/or Locality  
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