“For example, biotite is a common mineral of metamorphic rocks; however, it does not occur in very low grade rocks, its composition then being represented by mixtures of muscovite and chlorit ...

The oreXpress works with EZ-ID real-time mineral identification software and the USGS and SpecMIN libraries for field analysis and identification. The oreXpress covers the full NIR range from 350 ...

A little knowledge of rocks and minerals will help you identify everything from jewelry to fossils. While reading this article may not turn you into a geologist, it should give you the basic ...

dark minerals and free quartz, make up the variety of rocks can be seen in the following samples, all magmatic rocks. The first photo shows a sample of quartz diorite, composed mostly of greyish ...

In another step towards safer blasting practice, Johannesburg-headquartered explosives and services supplier BME is adapting its XRF Delta Pro mineral scanner to quickly identify reactive-ground ...