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Withamite

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About WithamiteHide

Formula:
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Colour:
pink, red
Name:
For Mr. Witham, who found the material at Glencoe, Scotland, in 1825
A variety of Epidote

A Mn-rich variety of epidote.

Originally reported from Glen Coe, Strathclyde (Argyllshire), Scotland, UK.

May be confused with pinkish varieties of clinozoisite and zoisite ("thulite").


Physical Properties of WithamiteHide

Colour:
pink, red

Chemical Properties of WithamiteHide

Formula:
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)

Other Language Names for WithamiteHide

German:Withamit

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Withamite associated with CalciteCaCO3
1 photo of Withamite associated with Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)

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 WithamiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
C. Hintze: "Handbuch der Mineralogie", Vol. 2 (1897)
W. E. Tröger: "Tabellen zur optischen Bestimmung der gesteinsbildenden Minerale", Schweizerbart (Stuttgart), 1952

Internet Links for WithamiteHide

Localities for WithamiteHide

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.
UK
 
  • Scotland
    • Highland
C. Hintze: "Handbuch der Mineralogie", Vol. 2 (1897) Hutton, C. Osborne, "On the Nature of Withamite from Glen Coe, Scotland", Mineralogical Magazine, vol. 25, no. 162, p 119 - 125, DOI: 10.1180/minmag.1938.025.162.02, 1938.Zealand, pp 119-125, 1938, online: http://www.minersoc.org/pages/Archive-MM/Volume_25/25-162-119.pdf
USA
 
  • Colorado
    • Dolores Co.
      • Rico Mts
Minerals of Colorado (1997) Eckel, E. B.
  • Virginia
    • Spotsylvania Co.
      • Fredericksburg area
Minerals of Virginia, 1990 by R. V. Dietrich
 
Mineral and/or Locality  
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