Hornblende Mineral

hornblende rocks

Hornblende is the name used to describe Magnesio-hornblende and Ferro-hornblende. However, the term is generally more inclusive for all calcium-aluminum amphiboles. The name Hornblende is frequently used to describe any dark, opaque Amphibole mineral without any individual analysis. The varieties of Hornblende look incredibly similar and can be nearly indistinguishable without complex analysis. This mineral […]

Copper Minerals

native copper cabochons

Copper minerals are broadly classified into Oxide minerals, Sulfide minerals, and Native Copper. The most common Copper mineral is Chalcopyrite which is a Sulfide mineral. The interesting part about Copper minerals is the wide range of geological settings they can occur in, including Porphyry Copper deposits, Sedimentary Copper deposits, and skarns. Now you have a […]