Description
Iridescent Hematite over Goethite (Turgite) coating on Limonite Oujela Mine, Mapimi, Mapimi Municipality, Durango, Mexico. Full rainbow coloring across the top of this piece with pockets of needle Quartz on both sides that are amazing under a jewelers loupe or magnifying glass. Great shine on the color & this material is much more stable than the Graves Mt. Turgite. 234grams 11.7cm x 8.8cm x 3.3cm (8.2oz 4.6in. x 3.5in. x 1.3in.) 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. Large Iridescent Hematite Over Goethite | Turgite Oujela Mine, Mapimi, Mapimi Municipality, Durango, Mexico
