December 2012!
Quartz:
One of the most common minerals and is found in numerous varieties: milky, glass, rose, amethyst, phantom, smokey, etc. It is an intrusive phaneritic or pegmatitic igneous mineral. It is very hard (can scratch glass) and is used in jewelery, glass making and watches.
One of the most common minerals and is found in numerous varieties: milky, glass, rose, amethyst, phantom, smokey, etc. It is an intrusive phaneritic or pegmatitic igneous mineral. It is very hard (can scratch glass) and is used in jewelery, glass making and watches.
January 2013!
Cummingtonite
