DR. HANNEMAN'S MINERAL COLLECTION WILL BE AVAILABLE FOR SALE IN THE NEAR FUTURE
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 Post subject: Re: Unique Colombian emerald inclusions
PostPosted: Thu Sep 30, 2010 6:19 am 
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Location: Cape Town, South Africa
A discussion of this topic, with a link to more photographs, has been re-initiated on the FMF Forum at
http://www.mineral-forum.com/messageboa ... f3cd3f3b9b.

You don't have to be a member to view it. There is also further (speculative) discussion about the origin of these helical growth features in various mineral species.

Duncan Miller


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