Iridescent Goethite (Turgite) from Mexico DS1441 tower Green Calcite Specimen on Acrylic

Green Calcite Specimen on Acrylic Base

Hematite Phantom Quartz

Small needle quartz has formed on top of this mass of sphalerite

1947 on the Sikhote-Alin Mountains in Russia

Iridescent Goethite (Turgite) from Mexico DS1441 tower Green Calcite Specimen on AcrylicIridescent Goethite (Turgite) from Mexico Approx. Dimensions: 4x3. 25x1. 5 inches Approx. Weight: 186 grams Locality: Durango, Mexico Turgite from Durango, Mexico is an attractive iron oxide mineral specimen most often found at the historic Ojuela Mine in Mapim, Durango, Mexico. It isnt a distinct mineral species in its own right but is generally described as an iridescent mixture of hematite (Fe? O?) and goethite (FeOOH) formed by alteration of iron