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Chlorastrolites

Posted by Moe Hawk  
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Moe Hawk February 28, 2012 11:09PM
I believe this specimen contains some chlorastrolite, also known as a Michigan greenstone. I'm not sure what the largest pink mineral is, maybe prehnite? A few of them have specs of native copper included but are hard to view in the photos. I forgot to include a scale for reference, the size is about 2.5 * 2 inches at largest. This is my first greenstone find and I'm just curious if it's worth much. It's one of my favorite specimens so I won't sell it anyways. Thanks in advance!
open | download - DSC04921a.jpg (717.2 KB)
open | download - DSC04923a.jpg (948.7 KB)
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David Von Bargen March 01, 2012 04:36PM
The value of chlorastrolite is primarily as a lapidary material. You are pretty unlikely to get any cutable pieces out of the specimen.
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Moe Hawk March 02, 2012 12:28AM
Thank you for telling it like it is, I appreciate it.
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Robert Knox March 02, 2012 02:14AM
Very nice pebble, Moe. While the monetary value may be low, the geological stories it tells can be priceless. I confess to being a gravel or pebble hound...I enjoy the stories told in river or lake gravels.
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