The property of a mineral where the colour of grains vary with angle observed
The property of a mineral where the colour of grains vary with angle observed
A dense, isometric noble metal, symbol, Pt
A wide, flat elevated area
Its own state of matter, apart from gases, solids and liquids with equal amounts of positively and negatively charged particles
A deposit containing target minerals such as gold, platinum, diamonds and other gemstone found in loose or loosely compacted soil, sand or gravel
Pumice is a light-weight, spongy and porous volcanic rock
An igneous rock mass where which larger crystals , called phenocrysts, are set in a finer grains
Processed solid mineral ore in solution
A mineral having the external crystal form of one mineral with alternate internal chemistry
The process of establishing economic value of a mineral deposit