CIBJO releases Gemmological Special Report: considers process of separating measurable facts from opinion; See Gemological Articles below.
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 Post subject: Rutile crystals out of quartz
PostPosted: Thu May 02, 2019 7:20 am 
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Joined: Mon Aug 28, 2017 10:39 am
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Location: Birmingham - England
While reading up on rutile I came across what (to me) was a fascinating
photo of rutile crystals sticking out of quartz on the wikipedia page
https://en.wikipedia.org/wiki/Rutile
Image
(towards the bottom of the page)

Worth a look if you havn't seen it.

john


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 Post subject: Re: Rutile crystals out of quartz
PostPosted: Thu May 02, 2019 12:59 pm 
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Joined: Sun Oct 16, 2005 12:22 pm
Posts: 19909
Location: San Francisco
The picture is in the public domain so we can display it here. :D


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