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Schlegelite

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About SchlegeliteHide

Formula:
Bi7(AsO4)3(MoO4)2O4
Colour:
Yellow
Lustre:
Adamantine
Hardness:
Specific Gravity:
7.23 (Calculated)
Crystal System:
Orthorhombic
Name:
Named in honor of Fritz Herrmann Schlegel (12 March 1938, Barenstein, Saxony, Germany - 2012), mineral collector of Schneeberg, Germany, who first found the new mineral. He discovered eight minerals from the area.
This page provides mineralogical data about Schlegelite.


Classification of SchlegeliteHide

Approved
Approval year:
2003
First published:
2006
8.BO.45

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
O : With only large cations, (OH, etc.):RO4 about 1:1
43.3.3.1

43 : COMPOUND PHOSPHATES, ETC.
3 : Hydrated Normal Compound Phosphates, etc·

Physical Properties of SchlegeliteHide

Adamantine
Transparency:
Transparent
Colour:
Yellow
Streak:
Pale yellow
Hardness:
3½ on Mohs scale
Hardness:
VHN25=285 kg/mm2 - Vickers
Cleavage:
Distinct/Good
parallel to {010} and {001}
Density:
7.23 g/cm3 (Calculated)

Optical Data of SchlegeliteHide

Type:
Biaxial (-)
Pleochroism:
Non-pleochroic

Chemical Properties of SchlegeliteHide

Formula:
Bi7(AsO4)3(MoO4)2O4
IMA Formula:
Bi7O4(MoO4)2(AsO4)3

Crystallography of SchlegeliteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 5.299(1) Å, b = 16.133(4) Å, c = 23.948(5) Å
Ratio:
a:b:c = 0.328 : 1 : 1.484
Unit Cell V:
2047.2 ų
Z:
4
Morphology:
Lath-like crystals, elongated parallel to [100], with {010} (dominant), {001} and {100}.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0007187SchlegeliteKrause W, Bernhardt N J, Effenberger H (2006) Schlegelite, Bi7O4(MoO4)2(AsO4)3, a new mineral from Schneeberg, Saxony, Germany European Journal of Mineralogy 18 803-8112006Pucher Richtschacht, Schneeberg, Saxony, Germany0293
CIF Raw Data - click here to close

Type Occurrence of SchlegeliteHide

General Appearance of Type Material:
Dense spherical aggregates, composed of small lath-like crystals up to 0.3 mm in length
Place of Conservation of Type Material:
“Staatliches Museum für Mineralogie und Geologie“, Dresden, Germany, under catalogue number 19625Sa(MMG).
Associated Minerals at Type Locality:
Reference:
Krause, K., Bernhardt, H.-J., Effenberger, H. (2006) Schlegelite, Bi7O4(MoO4)2(AsO4)3, a new mineral from Schneeberg, Saxony, Germany. European Journal of Mineralogy: 18: 803-811.

Synonyms of SchlegeliteHide

Related Minerals - Nickel-Strunz GroupingHide

8.BO.AriegilatiteBaCa12(SiO4)4(PO4)2F2OTrig. 3m (3 2/m) : R3m
8.BO.AravaiteBa2Ca18(SiO4)6(PO4)3(CO3)F3OTrig. 3m (3 2/m) : R3m
8.BO.05NacaphiteNa2Ca(PO4)FMon. 2/m : P21/b
8.BO.10PreisingeriteBi3(AsO4)2O(OH)Tric. 1 : P1
8.BO.10PetitjeaniteBi3(PO4)2O(OH)Tric.
8.BO.10SchumacheriteBi3(VO4)2O(OH)Tric.
8.BO.15AtelestiteBi2(AsO4)O(OH)Mon. 2/m
8.BO.15HechtsbergiteBi2(VO4)O(OH)Mon. 2/m : P21/b
8.BO.15SmrkoveciteBi2(PO4)O(OH)Mon. 2/m : P21/b
8.BO.20KombatitePb14(VO4)2O9Cl4Mon.
8.BO.20SahlinitePb14(AsO4)2O9Cl4Mon.
8.BO.25HeneuiteCaMg5(CO3)(PO4)3(OH)Tric. 1 : P1
8.BO.30NefedoviteNa5Ca4(PO4)4FTric.
8.BO.35Kuznetsovite[Hg2]2+Hg2+[AsO4]ClIso. 2 3 : P21 3
8.BO.40Artsmithite[Hg2]2+2Al(PO4)1.74(OH)1.78Mon. 2/m : B2/b

Related Minerals - Dana Grouping (8th Ed.)Hide

43.3.3.BirchiteCd2Cu2(PO4)2(SO4) · 5H2OOrth. mmm (2/m 2/m 2/m) : Pnma

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 SchlegeliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Lapis 30(7/8):69 (2005)
Krause, K., Bernhardt, H.-J., Effenberger, H. (2006) Schlegelite, Bi7O4(MoO4)2(AsO4)3, a new mineral from Schneeberg, Saxony, Germany. European Journal of Mineralogy: 18: 803-811.

Internet Links for SchlegeliteHide

Localities for SchlegeliteHide

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.
Germany (TL)
 
  • Saxony
    • Erzgebirgskreis
      • Schneeberg
        • Wolfgang Maaßen mines
Krause, K., Bernhardt, H.-J., Effenberger, H. (2006): Schlegelite, Bi7O4(MoO4)2(AsO4)3, a new mineral from Schneeberg, Saxony, Germany. European Journal of Mineralogy, 18, 803-811; Acta Cryst. (2004), A60, p. 192
Spain
 
  • Andalusia
    • Córdoba
      • Belalcázar
        • La Ventosilla farmhouse
Rewitzer, C., Calvo, M. Hochleitner, R., and Utrera, C. (2018). Adamite, austinite, schlegelite, dugganite and other uncommon minerals in the “Cogolla Alta” claim,Belalcázar, Córdoba, Spain. Mineral Up, 5 (2), 50-77.
 
Mineral and/or Locality  
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