Giant quartz vein main content.

Giant quartz vein

Part of Hall of Planet Earth.

Giant Quartz Vein AMNH/R.Mickens

Exhibition Text

This boulder of nearly pure quartz formed when hot silica-bearing waters flowing through a fracture deposited quartz. Small bubbles of these waters are visible in the sample. 

Provided by Valley Marble and Slate, New Milford, Connecticut

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