Jessica Rose asked 4/7/2014 Which cut of a diamond is popular and which one will you mostly prefer for your engagement ring?
Anonymous asked 9/29/2013 What is the hardness of dolomite? Can anyone offer some physical properties of dolomite? And what is main use of dolomite? Why hardness is so important to the crushing machine?
Anonymous asked 9/27/2013 What is beneficiation? Can any mining engineers offer some machines used in the beneficiation stage?
Jennifer Stevens asked 3/13/2012 How colored diamonds are made? Are there natural colored diamonds or are they all start white and being processed to different colors?
ashley cruz asked 10/3/2011 The coinage metals-copper,silver, and gold-are considered to be a chemical family. Liste three arguements to explain why?
Joseph Michael Wasik asked 7/18/2011 Will the world look differently next year than it does today? What changes do you see happening?
Jason Wilson asked 6/23/2011 What is the difference between rough diamonds and polished diamonds? How do I know the quality of rough diamonds?
