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Dreyerite

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About DreyeriteHide

Formula:
Bi(VO4)
Colour:
Orange-yellow, brownish-yellow
Lustre:
Adamantine
Hardness:
2 - 3
Specific Gravity:
6.25 (Calculated)
Crystal System:
Tetragonal
Name:
After Gerhard Dreyer, Assistant Professor, Johannes Guterberg University, Mainz, Germany, who discovered the mineral.
The tetragonal polymorph of Pucherite and Clinobisvanite. The rarest of the three polymorphs of BiVO4.


Classification of DreyeriteHide

Approved
Approval Year:
1978
8.AD.35

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
D : With only large cations
38.4.8.1

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
4 : AXO4
21.3.11

21 : Vanadates (and vanadates with arsenate or phosphate)
3 : Vanadates of Al, rare earths, Pb, V or Bi

Physical Properties of DreyeriteHide

Adamantine
Transparency:
Translucent
Colour:
Orange-yellow, brownish-yellow
Streak:
Yellow
Hardness:
2 - 3 on Mohs scale
Density:
6.25 g/cm3 (Calculated)

Optical Data of DreyeriteHide

Type:
Uniaxial (+)
Pleochroism:
Visible
Comments:
O= bright yellow
E= brownish yellow
Comments:
Refractive indicies > 2

Chemical Properties of DreyeriteHide

Formula:
Bi(VO4)

Crystallography of DreyeriteHide

Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
I41/amd
Cell Parameters:
a = 7.303(3) Å, c = 6.584(3) Å
Ratio:
a:c = 1 : 0.902
Unit Cell V:
351.15 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Platy crystals to 0.5mm

Type Occurrence of DreyeriteHide

Place of Conservation of Type Material:
Smithsonian 159922

Synonyms of DreyeriteHide

Other Language Names for DreyeriteHide

German:Dreyerit
Spanish:Dreyerita

Related Minerals - Nickel-Strunz GroupingHide

8.AD.05NahpoiteNa2HPO4Mon. 2/m : P21/m
8.AD.10MonetiteCa(HPO4)Tric. 1
8.AD.10WeiliteCa(HAsO4)Tric. 1 : P1
8.AD.10ŠvenekiteCa(H2AsO4)2Tric. 1 : P1
8.AD.15Archerite(K,NH4)(H2PO4)Tet. 4 2m : I4 2d
8.AD.15Biphosphammite(NH4,K)(H2PO4)Tet. 4 2 2 : I41 2 2
8.AD.20Phosphammite(NH4)2(HPO4)Mon. 2/m : P21/b
8.AD.25BuchwalditeNaCa(PO4)Orth. mm2 : Pmn21
8.AD.30SchultenitePb(HAsO4)Mon. 2/m : P2/b
8.AD.35Chernovite-(Y)Y(AsO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35Wakefieldite-(Ce)Ce(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35Wakefieldite-(Y)Y(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35Xenotime-(Y)Y(PO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35PretuliteSc(PO4)Tet.
8.AD.35Xenotime-(Yb)Yb(PO4)Tet.
8.AD.35Wakefieldite-(La)La(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.40PucheriteBi(VO4)Orth. mmm (2/m 2/m 2/m)
8.AD.45XimengiteBi(PO4)Trig.
8.AD.50Gasparite-(Ce)Ce(AsO4)
8.AD.50Monazite-(Ce)Ce(PO4)Mon. 2/m : P21/b
8.AD.50Monazite-(La)La(PO4)
8.AD.50Monazite-(Nd)Nd(PO4)
8.AD.50RooseveltiteBi(AsO4)Mon. 2/m
8.AD.50CheraliteCaTh(PO4)2Mon. 2/m
8.AD.50Monazite-(Sm)Sm(PO4)Mon. 2/m : P21/m
8.AD.50UM2005-35-VO:CaFePSiTh(Th,Ca)(VO4,SiO4,PO4)
8.AD.55TetrarooseveltiteBi(AsO4)Tet.
8.AD.60Chursinite(Hg+2)0.5Hg2+(AsO4)Mon. 2/m : P21/b
8.AD.65ClinobisvaniteBi(VO4)Mon. 2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

21.3.1SteigeriteAl(VO4) · 3H2OMon. 2/m : P21/m
21.3.2Alvanite(Zn,Ni)Al4(V5+O3)2(OH)12 · 2H2OMon. 2/m : P21/m
21.3.3MetaschoderiteAl2(PO4)(VO4) · 6H2OMon. 2/m : P2/m
21.3.4SchoderiteAl2(PO4)(VO4) · 8H2OMon.
21.3.5SatpaeviteAl12V4+2V5+6O37 · 30H2O
21.3.6VanaliteNaAl8V10O38 · 30H2OMon.
21.3.7Wakefieldite-(Ce)Ce(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
21.3.7Wakefieldite-(Y)Y(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
21.3.8ChervetitePb2(V2O7)Mon.
21.3.9MottramitePbCu(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
21.3.10DescloizitePbZn(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
21.3.11ClinobisvaniteBi(VO4)Mon. 2/m
21.3.11PucheriteBi(VO4)Orth. mmm (2/m 2/m 2/m)
21.3.12SchumacheriteBi3(VO4)2O(OH)Tric.
21.3.13NamibiteCu(BiO)2(VO4)(OH)Tric. 1 : P1
21.3.14Pottsite(Pb3xBi4-2x)(VO4)4·H2O (0.8 < x < 1.0)Tet. 4/m : I41/a
21.3.15Duhamelite(Pb,Bi,Ca)Cu(VO4)(OH,O)Orth.

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 DreyeriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Dreyer, G.; Tillmanns, E. (1981): Dreyerite: natural, tetragonal bismuth vanadate from Hirschhorn/Pfalz. Neues Jahrbuch für Mineralogie, Monatshefte 1981, 151-154. (in German).
American Mineralogist (1982): 67: 622 (abstract).
Hazen, R. and J.W.E. Mariathasan (1982) Bismuth vanadate: a high-pressure, high-temperature crystallographic study of the ferroelastic-paraelastic transition. Science, 216, 991–993.

Internet Links for DreyeriteHide

Localities for DreyeriteHide

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.
Australia
 
  • South Australia
    • Flinders Ranges
      • North Flinders Ranges
        • Arkaroola Region (Arkaroola Wilderness Sanctuary; Arkaroola Station)
Frost, R. L., Henry, D. A., Weier, M. L., & Martens, W. (2006). Raman spectroscopy of three polymorphs of BiVO4: clinobisvanite, dreyerite and pucherite, with comparisons to (VO4) 3‐bearing minerals: namibite, pottsite and schumacherite. Journal of Raman Spectroscopy, 37(7), 722-732.; Collier, J. B., & Plimer, I. R. (2002). Supergene clinobisvanite pseudomorphs after supergene dreyerite from Lively's Mine, Arkaroola, South Australia. Neues Jahrbuch für Mineralogie-Monatshefte, 2002(9), 401-410.
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
U. Kolitsch, J. Gröbner, G. Blaß, H.-W. Graf und A. Pring (2005): Neufunde aus der Grube Clara im mittleren Schwarzwald (II): Dreyerit, Gasparit-(Ce), Klinobisvanit, Kobaltkoritnigit, Metatyuyamunit, Roscoelith, Sengierit, Vésigniéit und Wakefieldit. Lapis 30 (9), 35-39; 58. (in German)
  • Rhineland-Palatinate
    • Palatinate
      • Otterbach
Dreyer, G.; Tillmanns, E. (1981): Dreyerite: natural, tetragonal bismuth vanadate from Hirschhorn/Pfalz. Neues Jahrbuch für Mineralogie, Monatshefte 1981, 151-154. (in German); - Dreyer, G. and Tillmanns, E. (1981): Dreyerit: ein natürliches, tetragonales Wismutvanadat von Hirschhorn/Pfalz, N. Jb. Miner. Mh. Jg. 1981, H.4, 151-154.
  • Saxony
    • Erzgebirge
      • Schneeberg District
        • Neustädtel
Belendorff, K. (2009): Dreyerit und Rhabdophan-(Nd) aus Schneeberg, Erzgebirge. Mineralien-Welt 20 (3), 27-29
Mineral and/or Locality  
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