Plush-Sunstone Area

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this Map and Directions

Sunstones are;
Oregon Sunstones are plagioclase feldspar formed in
lava flows that cover much of southeastern Oregon.
Within the lava flow is a matrix in which the colored
sunstones are found. The sunstone flow is usually (not
always) covered by a hard cap-rock known as Basalt
that can be up to several feet thick. Feldspar
crystals can be found in the Basalt that covers
sunstone deposits. Red labradorite or andesine, to
our knowledge, has never been PROVEN to have been
found anywhere in the world outside of Oregon.
Calling red labradorite “Sunstone” is confusing
because there are several other non related
adventurescent gemstones from India and Tanzania
being called sunstone. We use the name Oregon
Sunstone to describe the transluscent adventurescent
/ schiller labradorite / andesine containing light
reflecting native copper platelets.

Rock & Arrowhead Club
Klamath Falls ~ Oregon

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This club was established many years ago as a non-profit
organization to promote interest, knowledge and understanding
in the various earth sciences...in particular, the subjects of
mineralogy, geology, archeology, paleontology and lapidary.
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2/1/2010

If you have any clip art or pics to contribute, please send to us.
e-mail to charlie@klamathrockclub.org
We really need content, members, past and present, please help
with old photo's, stories or maps, if you have any...Thank You-
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We are a member of the Northwest Federation of Mineralogical Societies,
check their website at:
   http://amfed.org/nfms/index.html
We are also affiliated with:
   American Federation of Mineralogical Societies
   Oregon Council of Rock & Mineral Clubs

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