Minerals & Gemstone 480x104
Minerals & Gemstone 480x104
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Glossary of Terms
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 ALL



Silica
1) Radical composed of of silicon and oxygen.

2) Any material composed exclusively of silicon and oxygen (and may also include water), such as Quartz, Chalcedony, and Opal.




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