1) Cubic mineral 2) Manganese mineral
Found on
https://www.crosswordclues.com/clue/brownleeite
Brownleeite is a silicide mineral with chemical formula MnSi. It was discovered by researchers of the Johnson Space Center in Houston while analyzing the Pi Puppid particle shower of the comet 26P/Grigg-Skjellerup. == Overview == The particles where collected from the stratosphere over south-western USA in April 2003 using an ER-2 high-altitude re...
Found on
http://en.wikipedia.org/wiki/Brownleeite
No exact match found.
