Tuesday, April 26, 2011

Re: [Geology2] Greenish rock with veins of green "glass"

It looks like industrial waste. Did you check its properties? Something similar has been only seen at the scene of nuclear explosions where the sand and rocks fused. I forget the actual name for it but it was green.

On Tue, Apr 26, 2011 at 7:54 PM, coyote272 <coyote2@ymail.com> wrote:

It's light green, and had several deep veins of (what looks like) green "glass" inside it. What is it?

I found the rock on the beach about halfway between San Francisco and Santa Cruz, California. I can't imagine it could be `sea glass' since it's *inside* the rock (which is also green).

A few photos are in a (4MB) zip file at https://rcpt.yousendit.com/1105418315/cae4fbf68c0c0cd58551738f0527f9f5?cid=tr-cv-web-stnd-dl-literec-null-c-19073&s=19073
"side.jpg" has red arrows pointing to the two veins of green "glass"


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