Words and phrases that have a meaning related to groundmass:  (43 results)
Appears in the definition of:
porphyritic, porphyritic rock, porphyry
More general:
igneous rock
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— Adjectives for groundmass: grained, glassy, fine, aphanitic, dense, dark, crystalline, gray, microcrystalline, granular, cryptocrystalline, more...

Commonly used words are shown in bold. Rare words are dimmed.
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