Bromery was noted in particular for his studies on the Earth's magnetic field, and use of that data to identify minerals.

One of the characteristics he used to identify minerals was hardness.

The spectrometer does not identify minerals, only elements.

"I still don't understand how it can identify specific minerals," said a confused Klein.

Ruel later teaches him how to identify minerals through tasting rocks and tracking.

An instrument that measures infrared light radiated from the rocks and soils will identify minerals in them.

Determinative mineralogy is the actual scientific process of identifying minerals, through data gathering and conclusion.

A miniature thermal emission spectrometer identifies minerals at the site with a little help from infrared wavelengths.

This is more generally referred to as pleochroism, and the technique can be used in mineralogy to identify minerals.

A portable ultraviolet light for identifying rocks and minerals.