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Metavandendriesscheite

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Formula:
PbU7O22 · nH2O n < 12
System:
Orthorhombic
Hardness:
3
This page provides mineralogical data about Metavandendriesscheite.

Classification of Metavandendriesscheite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
4.GB.40

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
G : Uranyl Hydroxides
B : With additional cations (K, Ca, Ba, Pb, etc.); with mainly UO2(O,OH)5 pentagonal polyhedra
5.8.1.2

5 : OXIDES CONTAINING URANIUM OR THORIUM
8 : AX7O22·xH2O
7.16.29

7 : Oxides and Hydroxides
16 : Oxides of U
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First Recorded Occurrence of Metavandendriesscheite

Year of Discovery:
1960

Physical Properties of Metavandendriesscheite

Hardness (Mohs):
3

Crystallography of Metavandendriesscheite

Crystal System:
Orthorhombic

Optical Data of Metavandendriesscheite

Type:
Biaxial (-)
RI values:
nα = 1.780 nβ = 1.850 nγ = 1.860
2V:
Measured: 60° , Calculated: 40°
Max Birefringence:
δ = 0.080
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v distinct

Chemical Properties of Metavandendriesscheite

Formula:
PbU7O22 · nH2O n < 12
Essential elements:
All elements listed in formula:

Relationship of Metavandendriesscheite to other Species

4.GB.05AgrinieriteK2(Ca,Sr)(UO2)3O3(OH)2·5H2O
4.GB.05CompreignaciteK2(UO2)6O4(OH)6 · 7H2O
4.GB.05RameauiteK2Ca(UO2)6(OH)16 · H2O
4.GB.10BecquereliteCa(UO2)6O4(OH)6 · 8H2O
4.GB.10BillietiteBa(UO2)6O4(OH)6 · 4-8H2O
4.GB.10ProtasiteBa(UO2)3O3(OH)2 · 3H2O
4.GB.15RichetitePb(UO2)4O5 · 4H2O
4.GB.20BauranoiteBa(UO2)2(OH)6 · 1-2H2O
4.GB.20Calciouranoite(Ca,Ba,Pb)U2O7 · 5H2O
4.GB.20Metacalciouranoite(Ca,Ba,Pb,K2)U2O7 · 2H2O
4.GB.25FourmarieritePb(UO2)4O3(OH)4 · 4H2O
4.GB.30Wölsendorfite(Pb,Ca)U2O7 · 2H2O
4.GB.35MasuyitePb(UO2)3O3(OH)2 · 3H2O
4.GB.40VandendriesscheitePbU7O22 · 12H2O
4.GB.45VandenbrandeiteCu(UO2)(OH)4
4.GB.50SayritePb2(UO2)5O6(OH)2 · 4H2O
4.GB.55CuritePb3(UO2)8O8(OH)6 · 3H2O
4.GB.60Iriginite(UO2)Mo2O7 · 3H2O
4.GB.65UranosphaeriteBi(UO2)O2(OH)
4.GB.70HolfertiteCaxU6+2-xTi(O8-xOH4x) · 3H2O
7.16.1UraniniteUO2
7.16.2Schoepite(UO2)8O2(OH)12 · 12H2O
7.16.3ParaschoepiteUO3 · 2H2O
7.16.4MetaschoepiteUO3 · 1-2H2O
7.16.5MetastudtiteUO4 · 2H2O
7.16.6Studtite[(UO2)(O2)(H2O)2] · H2O
7.16.7IanthiniteU4+(UO2)5O7 · 10H2O
7.16.8CompreignaciteK2(UO2)6O4(OH)6 · 7H2O
7.16.9VandenbrandeiteCu(UO2)(OH)4
7.16.10RoubaultiteCu2(UO2)3(OH)10 · 5H2O
7.16.11BecquereliteCa(UO2)6O4(OH)6 · 8H2O
7.16.12RameauiteK2Ca(UO2)6(OH)16 · H2O
7.16.13AgrinieriteK2(Ca,Sr)(UO2)3O3(OH)2·5H2O
7.16.14ProtasiteBa(UO2)3O3(OH)2 · 3H2O
7.16.15BillietiteBa(UO2)6O4(OH)6 · 4-8H2O
7.16.16BauranoiteBa(UO2)2(OH)6 · 1-2H2O
7.16.17Metacalciouranoite(Ca,Ba,Pb,K2)U2O7 · 2H2O
7.16.18Calciouranoite(Ca,Ba,Pb)U2O7 · 5H2O
7.16.19OrthobranneriteU4+U6+Ti4O12(OH)2
7.16.20Thorutite(Th,U,Ca)Ti2(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(U4+,REE,Th,Ca)(Ti,Fe3+,Nb)2(O,OH)6
7.16.24FourmarieritePb(UO2)4O3(OH)4 · 4H2O
7.16.25RichetitePb(UO2)4O5 · 4H2O
7.16.26CuritePb3(UO2)8O8(OH)6 · 3H2O
7.16.27MasuyitePb(UO2)3O3(OH)2 · 3H2O
7.16.28VandendriesscheitePbU7O22 · 12H2O
7.16.30SayritePb2(UO2)5O6(OH)2 · 4H2O
7.16.31Wölsendorfite(Pb,Ca)U2O7 · 2H2O
7.16.32Clarkeite(Na,Ca,Pb)(UO2)O(OH) · 0-1H2O
7.16.33UranosphaeriteBi(UO2)O2(OH)

Other Names for Metavandendriesscheite

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.

References for Metavandendriesscheite

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

Internet Links for Metavandendriesscheite

Localities for Metavandendriesscheite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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
      • Shinkolobwe
Am Min 45 (1960), 1026
USA
 
    • Mitchell Co.
Dana, (1997) Dana System of Mineralogy,pg 263
Mineral and/or Locality  
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