accessory mineral
nounPetrography.
a mineral that is present in small amounts in a rock and has no bearing on the classification of the rock, as zircon in granite.
Words Nearby accessory mineral
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
Scientific definitions for accessory mineral
accessory mineral
A mineral that is present in a minor amount in rocks and is not considered an essential constituent of the rock.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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