Iridescent Goethite (Turgite) from Mexico DS1443 smokey quartz All of these masses were

All of these masses were originally given names based on cities near where they were found

Dimensions: 4x3

Weight: 104 grams

and limestone with organic matter and minerals such as iron sulfide

Iridescent Goethite (Turgite) from Mexico DS1443 smokey quartz All of these masses wereIridescent Goethite (Turgite) from Mexico Approx. Dimensions: 4x2x1 inches Approx. Weight: 77 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