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Colourless, milky
Vitreous, Dull
Specific Gravity:
Crystal System:
For the type locality.
This page provides mineralogical data about Ashoverite.

Hide all sections | Show all sections

Classification of AshoveriteHide


4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
A : Hydroxides with OH, without H2O; corner-sharing tetrahedra

2 : X(OH)2

7 : Oxides and Hydroxides
5 : Oxides of Zn, Cd and Hg

Physical Properties of AshoveriteHide

Vitreous, Dull
Colourless, milky
on {001}
3.3 g/cm3 (Measured)    3.44 g/cm3 (Calculated)

Optical Data of AshoveriteHide

Uniaxial (+)
RI values:
nω = 1.629 nε = 1.639
Max Birefringence:
δ = 0.010
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of AshoveriteHide


Crystallography of AshoveriteHide

Crystal System:
Cell Parameters:
a = 6.825 Å, c = 33.36 Å
a:c = 1 : 4.888
Unit Cell V:
1,553.93 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
2.902 (100)
1.819 (33)
1.702 (21)
1.470 (19)
3.031 (13)
1.0063 (13)
3.332 (11)
Recorded on type material

Type Occurrence of AshoveriteHide

General Appearance of Type Material:
Square plates to about 0.5 mm, markedly thinning toward their edges; commonly in stellate groups of crystals intersecting at angles of 60°-70°
Place of Conservation of Type Material:
The Natural History Museum, London, England (No. 1982,5)
Geological Setting of Type Material:
Oxidized vein in limestone
Associated Minerals at Type Locality:

Synonyms of AshoveriteHide

Other Language Names for AshoveriteHide


Common AssociatesHide

Associated Minerals Based on Photo Data:
Fluorite3 photos of Ashoverite associated with Fluorite on
Sweetite2 photos of Ashoverite associated with Sweetite on
Unnamed (gamma-Zn(OH)2)2 photos of Ashoverite associated with Unnamed (gamma-Zn(OH)2) on
Calcite1 photo of Ashoverite associated with Calcite on
Hydrozincite1 photo of Ashoverite associated with Hydrozincite on

Related Minerals - Nickel-Strunz GroupingHide

4.FA.05aBehoiteBe(OH)2Orth. 2 2 2 : P21 21 21
4.FA.05bClinobehoiteBe(OH)2Mon. 2 : P21
4.FA.10WülfingiteZn(OH)2Orth. 2 2 2 : P21 21 21

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.5.1ZinciteZnOHex. 6mm : P63mc
7.5.4WülfingiteZn(OH)2Orth. 2 2 2 : P21 21 21
7.5.5GahniteZnAl2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.5.6HetaeroliteZnMn2O4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
7.5.7HydrohetaeroliteZnMn2O4 · H2OTet. 4/mmm (4/m 2/m 2/m) : I41/amd
7.5.8Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2OTrig. 3 : R3
7.5.9WoodruffiteZn2+x/2(Mn4+1-xMn3+x)O2·yH2OMon. 2/m : B2/m
7.5.10FrankliniteZn2+Fe3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.5.11MonteponiteCdOIso. m3m (4/m 3 2/m) : Fm3m
7.5.12MontroyditeHgOOrth. mmm (2/m 2/m 2/m) : Pmmn

Fluorescence of AshoveriteHide

SW UV: bluish white

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 AshoveriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Mineralogical Magazine (1988): 52: 699.
Clark, A. M., Fejer, E. E., Cressey, G. and Tandy, P. C. (1988): Ashoverite, a new mineral, and other polymorphs of Zn(OH)2 from Milltown, Ashover, Derbyshire. Mineralogical Magazine 52, 699-702. - American Mineralogist (1990) 75, 431 (abstract).
Schnorrer-Köhler, G. (1988): Mineralogische Nozizen IV. Der Aufschluss 39, 153-168 (in German).
Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 28.

Internet Links for AshoveriteHide

Localities for AshoveriteHide

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.
  • Lower Saxony
    • Harz
      • Goslar
        • Astfeld
Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 28
Schnorrer-Köhler, G. (1988): Mineralogische Notizen IV. Der Aufschluss, 39, 153-168.
  • Liguria
    • Genova Province
      • Genova
        • Varenna Valley
Rivista Mineralogica Italiana, 22 (3), 39-41.
  • Otjikoto Region (Oshikoto)
    • Tsumeb
Walter Kahn specimen analyzed by SEM EDS and XRD.
  • Northern Region
    • Karelia Republic
      • Ladoga Region
Ivashchenko, V. I., Valkama, M., Sundblad, K., Golubev, A. I., & Alekseev, V. Y. (2011, September). New data on mineralogy and metallogeny of scarns in the Pitkyaranta ore region. In Doklady Earth Sciences (Vol. 440, No. 1, pp. 1307-1311). SP MAIK Nauka/Interperiodica
  • England
    • Derbyshire
      • Ashover
        • Milltown
Mineralogical Magazine(1988) 52, 699-702; UKJMM No10; Ford, T., A. Sarjeant & M. Smith (1993): The minerals of the Peak district of Derbyshire. UK Jour. Mines & Minerals 13, 16-55.
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