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Turgite
Turgite photo: Crystal Clear Radio


Originally described from Turjinskii Mine (Turginsk Mine) in Russia, turgite is generally considered a variety of two more common minerals – goethite and hematite.

Turgite often referred to as a "variety" of either hematite or goethite, it is a mixture of the two minerals due to the alteration of goethite, typically found in the botryoidal habit of the "parent" goethite. It may be iridescent.



Turgite is a mixture of the two minerals due to the alteration of goethite, typically found in the botryoidal (globular) habit of the “parent” goethite; however, because it is a mixture of two minerals, it is not considered a mineral in itself.

It apparently only occurs under specific environmental conditions because the pieces I collected in Nevada and brought home to New Mexico lost their luster and turned to dull gray hematite.

See also: The Colorful Outcrops of Turgite in New Mexico
 
Turgite coated in a cave
Turgite coated in a cave
Turgite from Graves Mountain
Turgite from Graves Mountain, Lincoln Co., Georgia, USA

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