A '''coxcomb''' [[Mineral Aggregates|mineral aggregate]] is a [[serrated]] crustlike arrangement of [[Twinned Crystals|twinned crystals]]. [[Marcasite]] is an example of a [[mineral]] exhibiting a coxcomb form. Chesterman, p. 40
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A '''coxcomb''' [[Mineral Aggregates|mineral aggregate]] is a [[serrated]] crustlike arrangement of [[Twinned Crystals|twinned crystals]]. [[Marcasite]] is an example of a [[mineral]] exhibiting a coxcomb form. Chesterman, p. 40