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Posted in response to unknown crystal from Dennis Tryon on June 03, 2008 at 08:17:03:

Re: unknown crystal

Hello Dennis;

Am I correct that you are referring to the blue material? If so, I think it is quartz that is colored by inclusions. But, that is just a guess. Do you know how hard the material is? If it is quartz, a knife tip should not scratch it; and a shard of quartz should do so only with great difficulty.

Let us know what you find out.

Don

From Don Peck - June 04, 2008 at 08:26:30

Message: 66561

Message Index Start New Topic Photo Gallery FAQ and Use Tips Bob's Rock Shop

Bob Keller