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IMA approved (IMA 2012-030). Publlished in Mineral News v. 28 N. 9, Sept. 2012 Igor Pekov, Anthony Nikischer, Martin Jensen, Joseph Leising.  Occurs as splendid fiery orange to amber colored doubly terminated, hexagonal crystals to 1mm.  Whitecapsite forms in late supergene enriched zones with corroded realgar.


All Whiteite species are named after John S. White Jr., the Associate Curator of Mineralogy in the Department of Mineral Sciences at the Smithsonian Institution in Washington D.C, USA and also founder and former editor of the Mineralogical Record magazine. Whiteite was formerly described as one mineral but has since been split into alternate species depending on the dominant chemical composition of the mineral in question. At only three localities worldwide, Whiteite-(CaFeMg) is found in “complex zoned granite pegmatites” and iron formations.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/whiteite-(CaFeMg).pdf


Named for Robert William Whitmore, a mineral collector and owner of the Palermo No.1 mine in New Hampshire, USA where Whitmoreite finds its type locality. Whitemoreite can be found in several localities in Europe and the Unites States, including the Tip Top, Big Chief, and White Cap mines here in the Black Hills of South Dakota. Occurs as “a secondary mineral in complex zoned granite pegmatites” and can be a product of hydrothermally altered triphylite.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/whitmoreite.pdf

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