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phyllosilicate
This term is used exclusively within the technical registers of geology, mineralogy, and soil science. It describes a specific structural class of minerals characterized by two-dimensional sheets, which often results in physical properties such as perfect cleavage and a slippery feel, as seen in talc or mica.
In a professional context, the term is used to categorize minerals based on their chemical architecture rather than their outward appearance. It is a precise scientific descriptor and is not used in casual conversation or general descriptions of rocks.
Meanings
Examples
Mica is a common example of a phyllosilicate mineral.
The layered structure of a phyllosilicate allows it to cleave easily.
Is this sample a phyllosilicate or a tectosilicate?
Is this sample a phyllosilicate or a tectosilicate?
Clay minerals are essentially hydrated phyllosilicates.
Clay minerals are essentially hydrated phyllosilicates.
I wonder if this specific phyllosilicate will react with the acid.
The geologist identified the specimen as a phyllosilicate based on its sheet-like appearance.
Phyllosilicate minerals often form during the hydrothermal alteration of volcanic rocks.
Phyllosilicate minerals often form during the hydrothermal alteration of volcanic rocks.
Look at how the phyllosilicate layers slide over one another.
The chemical composition of this phyllosilicate suggests it formed in a high-pressure environment.
The chemical composition of this phyllosilicate suggests it formed in a high-pressure environment.