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Hi, this rock is very unique and has some strange inclusions. Any ideas.......? 8ACABFA1-8D80-4DDF-A4AE-0FFF6F73D848.jpeg  3B992285-1DFD-4F6D-A267-66BC654F13E0.jpeg 
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Gary W
Looks lime a form of quartz, possibly carnelian
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Dirty Pete
Agree with Gary, some form of micro/crypto crystalline silica, (Chalcedony). Could the curved white lines (are those the inclusions you refer to?) be associated with an internal stress pattern that's affecting the passage/reflection of light?.....just a thought.....

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