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https://www.gemologyonline.com/Forum/phpBB2/viewtopic.php?f=15&t=19491
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Author:  Unknown gems [ Sat Mar 08, 2014 1:57 pm ]
Post subject:  Hi there!

Hi there

I live in the lizard in sunny cornwall and have been fasinated with the rock and crystals we have down here, but me and my brother have been finding some wonderful specimens that i will be posting pictures of with this post hopefully,but more to the point....we were left by my great aunt a gem that glows a vivid orangey red kinda like a burning ember under a white LED..ive tested the hardness as much as i can by mostly trying to scratch the surface with a piece of topaz and nothing happened..no scratch notthing so the more i look into it the more we belive its a ruby but we are just trying to verify if it is or not so any hints or tips will be a big help.
Thanks alot. Tony. Just tryed to add pic no good so ill find another way. Thanks.

Author:  Unknown gems [ Sun Mar 09, 2014 10:00 am ]
Post subject:  Re: Hi there!

Heres one of the first finds any ideas?

Attachments:
File comment: One of our finds...
IMG_2014030918612.jpg
IMG_2014030918612.jpg [ 29.49 KiB | Viewed 1611 times ]

Author:  Qld Barry [ Mon Mar 10, 2014 12:15 am ]
Post subject:  Re: Hi there!

Hi Tony, and welcome to the site.
The shot is probably a quartz geode, or part of one, anyway.
If you read thru the posts, you will see, over and over, the futility of trying to ask for an I.D on a stone, unless you post photos, and other info to help define what you have.
take it to your local gem/mineral club, always a way to get opinions if you don't wish to pay for the I.D
Barry

Author:  Barbra Voltaire, FGG [ Mon Mar 10, 2014 12:32 am ]
Post subject:  Re: Hi there!

Hi Unknown Gems and welcome.
Rather looks like quartz to me as well.
There are a few tests you could do to narrow down this unknown gem :wink:
Check here:
http://www.rockhounds.com/rockshop/mineral_id/#Key

Author:  Bob Nolan [ Mon Jan 12, 2015 4:26 am ]
Post subject:  Re: Hi there!

The mineral is in the form of botryoidal masses, which narrows it down quite a bit. I'd feel safe in calling the mineral cruptocrystalline quartz or microcrystalline chalcedony (not true chalcedony). It is a nice specimen.

Author:  Barbra Voltaire, FGG [ Mon Jan 12, 2015 8:33 pm ]
Post subject:  Re: Hi there!

Humph. I see xls no botryoidal masses.
I'm not sure the term cryptocrystalline is still being used. Microcrystalline, yes.

Image
The photo above is botryoidal chalcedony.

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