Difference between revisions of "Huntite"

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A soft, white mineral composed of magnesium calcium carbonate. The mineral huntite was first described by Faust in 1953 and its use as a pigment by ancient Egyptians was identified by Riederer in 1974 (Eastaugh et al 2004).
 
A soft, white mineral composed of magnesium calcium carbonate. The mineral huntite was first described by Faust in 1953 and its use as a pigment by ancient Egyptians was identified by Riederer in 1974 (Eastaugh et al 2004).
  
[[[SliderGallery rightalign|huntiteRS.jpg~Raman|MFA- Huntite.jpg~FTIR]]]
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[[[SliderGallery rightalign|Huntite PMA.TIF~FTIR (MFA)|huntiteRS.jpg~Raman]]]
  
 
== Other Properties ==
 
== Other Properties ==

Latest revision as of 08:08, 4 December 2019

Huntite

Description

A soft, white mineral composed of magnesium calcium carbonate. The mineral huntite was first described by Faust in 1953 and its use as a pigment by ancient Egyptians was identified by Riederer in 1974 (Eastaugh et al 2004).

FTIR (MFA)

Huntite PMA.TIF

Raman

HuntiteRS.jpg


Other Properties

Microscopically similar to calcite. Moderate birefringence with strong interference colors.

Composition Mg3Ca(CO3)4
Refractive Index ~1.625

Additional Information

° Nicholas Eastaugh, Valentine Walsh, Tracey Chaplin, Ruth Siddall, Pigment Compendium, Elsevier Butterworth-Heinemann, Oxford, 2004

° B. Ford, I.MacLeod, P.Haydock, "Rock art pigments from Kimberley region of Western Australia: identification of the minerals and conversion mechanisms." Studies in conservation 39, no. 1 (1994), pp. 57-69

Sources Checked for Data in Record

  • Nicholas Eastaugh, Valentine Walsh, Tracey Chaplin, Ruth Siddall, Pigment Compendium, Elsevier Butterworth-Heinemann, Oxford, 2004 Comment: Refractive index: w=1.679; e=1.500