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
An ore of uranium
A rock metamorphically recrystallized
A vertical body of rock formed from lava and debris moving directly upward
A vacant space, hole or cavity in rock or soil
A tower, cone-like or pyramidal or pointed mass