Description
Iridescent Hematite over Goethite (Turgite) coating on Limonite Oujela Mine, Mapimi, Mapimi Municipality, Durango, Mexico. Beautiful coloring on this smaller very affordable specimen. Great shine on the color & this material is much more stable than the Graves Mt. Turgite. 36grams 5.0cm x 4.4cm x 2.0cm (1.2oz 2.0in. x 1.7in. x 0.8in.) Iridescent hematite , also called rainbow hematite, displays a variety of beautiful interference colors. Usually, a thin film comprised of aluminum & phosphate was found to coat such hematite, although one example of a coating with aluminum & arsenate was discovered. Turgite is unclassified by the International Mineralogical Union. Turgite is a mixture of Hematite & Goethite. Hematite is an iron oxide mineral which occurs in most metamorphic & sedimentary rocks. Hematite often occurs intermixed with Quartz. Crystalline rose forms of Hematite make fine specimens for collections. Goethite is a hydrated iron oxide mineral & forms in hydrothermal deposits & is a common constituent of soil. Great Color Iridescent Hematite Over Goethite | Turgite Oujela Mine, Mapimi, Mapimi Municipality, Durango, Mexico
