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Crystal System:
Loosely chemically related to comancheite.

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Classification of IMA2018-029Hide

Approved, Pending publication
Approval Year:

Chemical Properties of IMA2018-029Hide


Crystallography of IMA2018-029Hide

Crystal System:
Cell Parameters:
a = 26.381(6) Å, b = 45.59(1) Å, c = 6.684(1) Å
a:b:c = 0.579 : 1 : 0.147
Unit Cell V:
8,038.91 ų (Calculated from Unit Cell)
Spacegroup: Amam

Type Occurrence of IMA2018-029Hide

Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Department of Natural History, Royal Ontario Museum, 100 Queens Park, Toronto, Ontario M5S 2C6, Canada, catalogue number M58523

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 IMA2018-029Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cooper, M.A., Hawthorne, F.C., Roberts, A.C., Stanley, C.J., Spratt, J. and Christy, A.G. (2018) IMA 2018-029. CNMNC Newsletter No. 44, August 2018, page xxx; Mineralogical Magazine: 82: xxx–xxx.

Internet Links for IMA2018-029Hide

Localities for IMA2018-029Hide

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.
  • California
    • San Benito Co.
      • Diablo Range
        • New Idria District
          • Goat Mountain
Cooper, M.A., Hawthorne, F.C., Roberts, A.C., Stanley, C.J., Spratt, J. and Christy, A.G. (2018) IMA 2018-029. CNMNC Newsletter No. 44, August 2018, page xxx; Mineralogical Magazine: 82: xxx–xxx.
Mineral and/or Locality  
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