] On Behalf Of Jeff
Kuyken
Sent: Friday, December 17, 2004 11:55 PM
To: [EMAIL PROTECTED]
Subject: Re: [meteorite-list] A small Al Mahbas testimonial (
RainbowOlivine!)
G'day Tracy and List,
I certainly agree. I was lucky enough to get a nice piece from Mike (thanks
Mike) which I have put onto a page
Aloha, Jeff!
Often you will see on quartz crystals with internal fractures that the
fracture has turned into a kind of prism, and light refracting through the
split makes the crystal appear to have a rainbow along the cleavage. Maybe
the olivine crystals that are rainbowed have the same thing
Jeff,
Such a play of colors is seen in quite a number of
minerals, and is known as the schiller effect.
Although different in technical detail, it is an
optical phenomenon very similar to the fire in
precious opal or the labradorescence of the feldspar
labradorite (often seen in the dark
Hi Tracy, Jeff, Norm, and List,
Such a play of colors is seen in quite a number
of minerals, and is known as the schiller effect.
schiller comes from the German word schillern
and means scintillate. The n disappears when
you combine the word schillern + Effekt, so that
would also be the
Norman Lehrman wrote:
Such a play of colors is seen in quite a number of
minerals, and is known as the schiller effect.
It's also known as aventurescence or aventurization.
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Meteorite-list mailing list
[EMAIL PROTECTED]
] On Behalf Of Jeff
Kuyken
Sent: Friday, December 17, 2004 11:55 PM
To: [EMAIL PROTECTED]
Subject: Re: [meteorite-list] A small Al Mahbas testimonial (
RainbowOlivine!)
G'day Tracy and List,
I certainly agree. I was lucky enough to get a nice piece from Mike (thanks
Mike) which I have put onto a page
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