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Paraschoepite

Formula:
UO
 
3
 · 2H
 
2
O
System:OrthorhombicColour:Yellow, greenish-yellow
This page provides mineralogical data about Paraschoepite.

Classification of Paraschoepite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:4/H.01-60
Nickel-Strunz 10th (pending) edition ID:4.GA.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
G : Uranyl Hydroxides
A : Without additional cations
Dana 8th edition ID:5.2.1.2

5 : OXIDES CONTAINING URANIUM OR THORIUM
2 : AXO3·xH2O
Hey's CIM Ref.:7.16.3

7 : Oxides and Hydroxides
16 : Oxides of U
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Type Occurrence of Paraschoepite

Type Locality:Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Central area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)
Year of Discovery:1947

Physical Properties of Paraschoepite

Lustre:Adamantine
Colour:Yellow, greenish-yellow

Crystallography of Paraschoepite

Crystal System:Orthorhombic
Cell Parameters:a = 14.23Å, b = 18.98Å, c = 15.04Å
Ratio:a:b:c = 0.75 : 1 : 0.792
Unit Cell Volume:V 4,062.08 ų (Calculated from Unit Cell)

Optical Data of Paraschoepite

Type:Biaxial
RI values: nα = 1.700 nβ = 1.750 nγ = 1.770
2V:Measured: 40° , Calculated: 62°
Maximum Birefringence:δ = 0.070

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:r > v strong

Chemical Properties of Paraschoepite

Formula:
UO
 
3
 · 2H
 
2
O
Essential elements:H, O, U
All elements listed in formula:H, O, U

Relationship of Paraschoepite to other Species

Related Minerals - Nickel-Strunz Grouping):
4.GA.05Metaschoepite
UO
 
3
 · 1-2H
 
2
O
4.GA.05Schoepite
(UO
 
2
)
 
8
O
 
2
(OH)
 
12
 · 12H
 
2
O
4.GA.10Ianthinite
U
4+
 
(UO
 
2
)
 
5
O
 
7
 · 10H
 
2
O
4.GA.15Metastudtite
UO
 
4
 · 2H
 
2
O
4.GA.15Studtite
UO
 
4
 · 4H
 
2
O
Related Minerals - Hey's Index Grouping:
7.16.1Uraninite
UO
 
2
7.16.2Schoepite
(UO
 
2
)
 
8
O
 
2
(OH)
 
12
 · 12H
 
2
O
7.16.4Metaschoepite
UO
 
3
 · 1-2H
 
2
O
7.16.5Metastudtite
UO
 
4
 · 2H
 
2
O
7.16.6Studtite
UO
 
4
 · 4H
 
2
O
7.16.7Ianthinite
U
4+
 
(UO
 
2
)
 
5
O
 
7
 · 10H
 
2
O
7.16.8Compreignacite
K
 
2
(UO
 
2
)
 
6
O
 
4
(OH)
 
6
 · 7H
 
2
O
7.16.9Vandenbrandeite
Cu(UO
 
2
)(OH)
 
4
7.16.10Roubaultite
Cu
 
2
(UO
 
2
)
 
3
(OH)
 
10
 · 5H
 
2
O
7.16.11Becquerelite
Ca(UO
 
2
)
 
6
O
 
4
(OH)
 
6
 · 8H
 
2
O
7.16.12Rameauite
K
 
2
Ca(UO
 
2
)
 
6
(OH)
 
16
 · H
 
2
O
7.16.13Agrinierite
K
 
2
(Ca,Sr)(UO
 
2
)
 
3
O
 
3
(OH)
 
2
 · 5H
 
2
O
7.16.14Protasite
Ba(UO
 
2
)
 
3
O
 
3
(OH)
 
2
 · 3H
 
2
O
7.16.15Billietite
Ba(UO
 
2
)
 
6
O
 
4
(OH)
 
6
 · 4-8H
 
2
O
7.16.16Bauranoite
Ba(UO
 
2
)
 
2
(OH)
 
6
 · 1-2H
 
2
O
7.16.17Metacalciouranoite
(Ca,Ba,Na
 
2
)U
 
2
O
 
7
·2H
 
2
O
7.16.18Calciouranoite
(Ca,Ba,Pb)U
 
2
O
 
7
·5H
 
2
O
7.16.19Orthobrannerite
UTi
 
4
O
 
12
(OH)
 
2
7.16.20Thorutite
(Th,U,Ca)Ti
 
2
(O,OH)
 
6
7.16.21Davidite-(La)
(La,Ce)(Y,U,Fe)(Ti,Fe)
 
20
(O,OH)
 
38
7.16.22Davidite-(Ce)
(Ce,La)(Y,U,Fe)(Ti,Fe)
 
20
(O,OH)
 
38
7.16.23Brannerite
(U
4+
 
,Ca)(Ti,Fe
3+
 
)
 
2
O
 
6
7.16.24Fourmarierite
PbU
 
4
O
 
13
·4H
 
2
O
7.16.25Richetite
PbU
 
4
O
 
13
·4H
 
2
O
7.16.26Curite
Pb
 
3
(UO
 
2
)
 
8
O
 
8
(OH)
 
6
·2H
 
2
O
7.16.27Masuyite
Pb(UO
 
2
)
 
3
O
 
3
(OH)
 
2
 · 3H
 
2
O
7.16.28Vandendriesscheite
PbU
 
7
O
 
22
·12H
 
2
O
7.16.29Metavandendriesscheite
PbU
 
7
O
 
22
·nH
 
2
O n < 12
7.16.30Sayrite
Pb
 
2
(UO
 
2
)
 
5
O
 
6
(OH)
 
2
·4H
 
2
O
7.16.31Wölsendorfite
(Pb,Ca)U
 
2
O
 
7
·2H
 
2
O
7.16.32Clarkeite
(Na,Ca,Pb)
 
2
U
 
2
(O,OH)
 
7
7.16.33Uranosphaerite
Bi(UO
 
2
)O
 
2
(OH)

Other Names for Paraschoepite

German names:
Paraschoepit
Spanish names:
Paraschoepita

Other Information

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 Paraschoepite

Reference List:American Mineralogist (1947): 32: 344-350.

American Mineralogist (1960): 45: 1026-1061.

Internet Links for Paraschoepite

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    Localities for Paraschoepite

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    The 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.
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    (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.
    Democratic Republic of Congo (Zaïre)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Central area
          • Shinkolobwe
    		[Am Min 45 (1960), 1026; Nickel & Nichols, 1991, p160 - "Mineral Reference Manual"]
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		KOLITSCH, U. (1997): Ianthinit und weitere Neufunde aus der Grube Clara im mittleren Schwarzwald. - Erzgräber 11 (2), 76-88.
    USA
     
    • New Hampshire
      • Sullivan Co.
        • Acworth
    		Dana 8:258
    • New Mexico
      • Socorro Co.
    		Minerals of New Mexico 3rd ed.
    Uzbekistan
     
    • Namangan Viloyati
      • Chatkal-Kuraminskii Range
        • Pap
    Mineral and/or Locality
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