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Šreinite

Formula:
Pb(UO
 
2
)
 
4
(BiO)
 
3
(PO
 
4
)
 
2
(OH)
 
7
·4H
 
2
O
System:IsometricColour:Yellow with an orange ...
Hardness:2 - 4
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.

Classification of Šreinite

IMA status:Approved 2004
Nickel-Strunz 10th (pending) edition ID:8.ED.10

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
D : Unclassified
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Type Occurrence of Šreinite

Type Locality:Horní Halže, Klášterec nad Ohří, Krušné Hory Mts (Erzgebirge), Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic
General Appearance of Type Material:In fissures of quartz gangue at an agrarian dumping site.
Year of Discovery:2004
Associated Minerals at type locality:
UranosphaeriteUranophaneMetatorberniteKasoliteGoethite
GoethiteBismutoferrite

Physical Properties of Šreinite

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

Crystallography of Šreinite

Crystal System:Isometric
Class (H-M):m3m (4/m 3 2/m) - Hexoctahedral
Space Group:Im3m {I4/m 3 2/m}
Cell Parameters:a = 15.5728Å
Unit Cell Volume: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 Diffraction:
d-spacingIntensity
5.513(53)
4.499(48)
4.163(100)
3.671(77)
3.484(31)
3.179(99)
2.596(54)
Comments:From type description.

Optical Data of Šreinite

Type:Isotropic

Chemical Properties of Šreinite

Formula:
Pb(UO
 
2
)
 
4
(BiO)
 
3
(PO
 
4
)
 
2
(OH)
 
7
·4H
 
2
O
All elements listed in formula:Bi, H, O, P, Pb, U

Relationship of Šreinite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.ED.05Moreauite
Al
 
3
UO
 
2
(PO
 
4
)
 
3
(OH)
 
2
·13H
 
2
O
8.ED.10Asselbornite
Pb(UO
 
2
)
 
4
(BiO)
 
3
(AsO
 
4
)
 
2
(OH)
 
7
·4H
 
2
O
8.ED.10Metalodèvite
Zn(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 10H
 
2
O
8.ED.15Kamitugaite
AlPb(UO
 
2
)
 
5
[(OH)
 
9
|(PO
 
4
,AsO
 
4
)
 
2
] · 5H
 
2
O

Other Names for Šreinite

Synonyms:
IMA2004-022
Other Languages:

Other Information

Fluorescence in UV light:No fluorescence noted in UV.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Šreinite

Reference List: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 Šreinite

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    Localities for Šreinite

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • 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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