＜ ＜ ＜Knowledge unit of Minerals ＞ ＞ ＞
Bornite
Introduction
Physical Properties
Chemical Properties
Occurences
Notable Locality
Major Uses
Diagnostic Features

Introduction

Bornite is rarely seen in the form of single crystal, usually occurs in massive or irregular form. Pure bornite has the color of reddish bronze; after weathering, it turns iridescent deep purple or blue. After a period of time, it turns dark black. The streak is grayish black and it has the characteristics of being low hardness. The formulation of bornite is similar with that ofChalcopyrite. It is widely spread and a major source of refined copper.

        

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