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Wiki says corundum is found at least 3 places in North America.
http://en.wikipedia.org/wiki/Corundum

how do I do the hardness test?

UPDATE!!

I just lapped it and got my ass whooped (took 2...

Ok, I looked up sodalite
http://en.wikipedia.org/wiki/Sodalite
maybe someone can read this crap
http://www.webmineral.com/data/Sodalite.shtml

look at the shape of the crystals...

Lapis is soft, this is quite hard.

Lapis would cut with a saw and this flakes like a bit of flint.

I love lapis though and would trade this of one of equal size in a heartbeat

I found...

arrghhh stupid connection.....

A friend of mine called me today to look at a bunch of coral he had to see if it could be sold online.

While i was digging through the pile of coral/ rocks/seashells and such he told me that I...