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Acicular Definition & Meaning - Merriam-Webster
The meaning of ACICULAR is shaped like a needle. How to use acicular in a sentence.
Crystal Habits and Forms of Minerals and Gems - Geology.com
Many acicular crystals can be clustered to produce fan-shaped or radially-shaped aggregates. The name acicular should be used when the length of an individual crystal is much greater than its width or diameter. Mineral examples include rutile, natrolite, millerite, and gypsum. This geode found in Kentucky contains thin needle-like crystals of ...
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