Dolomite mined at Azcarate Quarry Eugui, Esteribar, Navarre, Spain, and ferroan dolomite mined at Eagle Mine, Colorado, USA, were prepared. Note that they originate in sedimentary rocks, not igneous rocks, according to the quarries' information [22, 23]. For easily finding the spot measured by both in XRF and Raman spectroscopies, a …Web