We found 3 definitions of micas from 2 different sources.
NounPlural: micas |
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mica - any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity | ||
isinglass | ||
mineral solid homogeneous inorganic substances occurring in nature having a definite chemical composition | ||
translucent substance, transparent substance a material having the property of admitting light diffusely; a partly transparent material | ||
biotite dark brown to black mica found in igneous and metamorphic rock | ||
lepidolite a mineral of the mica group; an important source of lithium | ||
muscovite a resident of Moscow | ||
paragonite a colorless or pale brown mica with sodium | ||
phlogopite a brown form of mica consisting of hydrous silicate of potassium and magnesium and aluminum |