Phyllosilicate definitions

phyllosilicate

compound with a structure in which silicate tetrahedrons (a central silicon atom surrounded by four oxygen atoms at the corners of a tetrahedron) are ... [4 related articles]
Found on http://www.britannica.com/eb/a-z/p/62

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phyllosilicate

Mineral with parallel sheets of silicate tetrahedra, such as mica.
Found on http://www.scientificpsychic.com/etc/geology-glossary.html

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