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Gold/Mining/Energy : ECHARTERS
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To: E. Charters who wrote (2111)1/3/1998 5:18:00 PM
From: Bill Jackson  Read Replies (1) of 3744
 
Mica is not hard to grind if you align it carefully to crush each grain. The flat plates always present flat and do not get crushed, so you must crush again and again until you get it fine, and yet you need little power to do each stage, it is just the need to grind it 400 times that to get every piece edge on between the crushers that make the energy cost high. It has a far lower energy cost when it is crushed in an old stamp mill tha the moder mills, as the stamper as it hammered spread the flat flakes sideways and they got smaller.

You sound like tweezle dee and tweezle dum. I had a pair of molecular tweezers that were 1.5" longer than they looked, as the tip tapered to invisibility 1.5" before they were actually gone. I needed the binos for them as well, but it was so time consuming, 6.023 x 0(23) takes a while.

Chemical processes eliminate tiny copper and silver grains, even though shielded planes of native silver and copper are common.

Bill
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