AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Utah > Hematite pseudomorphs after Magnetite (formerly named Martite)

Hematite pseudomorphs after Magnetite (formerly named Martite) from Twin Peaks, Millard County, Utah

DESCRIPTION:	No. 75018
Mineral:	Hematite pseudomorphs after Magnetite (formerly named Martite)
Locality:	Twin Peaks, Millard County, Utah
Description:	Classic formation of martite, the obsolete mineral name identified in 1982 as hematite pseudomorphs of octahedral magnetite crystals. The magnetite crystallized first, then altered molecule-by-molecule to hematite, maintaining the magnetite shape. First mentioned in print in 1894 in article by Maynard Bixby
Overall Size:	10x6.5x4.5 cm
Crystals:	1-8 mm pseudos
Archived:	For reference only

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