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do these orbs make them rhyolites?

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Peruano
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do these orbs make them rhyolites? Jan 24, 2015 11:35:44 GMT -5

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Post by Peruano on Jan 24, 2015 11:35:44 GMT -5

Recently back from Mexico, (San Carlos beach combing again) and concentrated on stuff that looked like orbicular rhyolites or ?? Mostly dark reddish browns, but greys, maroons etc. are also present.

Even the gull head, I'd be tempted to call an agate in a brown rhyolite matrix. Clarifications are welcome. Tom

Tom
Combining bicycles, trailbikes, hiking, and rockhounding as a justification for enjoying the fresh air of New Mexico.

gingerkid
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Member since July 2011
Posts: 3,779

do these orbs make them rhyolites? Jan 25, 2015 10:06:07 GMT -5

Quote

Post by gingerkid on Jan 25, 2015 10:06:07 GMT -5

Those are pretty, Peruano! I remember your gull and love the one with the gray in it. I'll let our experts answer your question, but I don't think they have to have orbs to call them rhyolites.

Searched for materials from the locality and had to chuckle since one of the search results led me to your post on here with the gorgeous pendants you made.

Thought this may help:

stoneplus.cst.cmich.edu/rhyolite.htm

Last Edit: Jan 25, 2015 10:42:01 GMT -5 by gingerkid

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