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A–Z index · #

Beginning with #.

All letters A B C D E F G H I J K L M N O P Q R S T U V W X Y Z#

"Herkimer-style" QuartzSiO₂
Variety
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← Z A–Z index

A curious, careful encyclopedia of the minerals that make up our world — from the grains of sand under your feet to the crystals deep in the crust.

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