Post subject: Re: crystal quartz with unusual form
Posted: Mon Jul 26, 2021 10:17 pm
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Joined: Tue Apr 05, 2016 7:58 pm Posts: 1424 Location: San Marcos, CA
These can be fun. Double terminations, irises, phantoms and that last one looks like it may have petroleum inclusions. Check it for fluorescence. Your samples from where do you know?
These can be fun. Double terminations, irises, phantoms and that last one looks like it may have petroleum inclusions. Check it for fluorescence. Your samples from where do you know?
Thank you for your attention, this is from Iran / Nehbandan (near the Afghan border). I bought about 9 kg of skeletal quartz / each with interesting shapes for only $ 150. this one is very unique shape.
here is a nother special crystal. most of trigonic quartz are etch in surface. but this is under surface and large trigon:
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