quartz porphyry (Q582768)
type of volcanic rock containing large porphyritic crystals of quartz
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description type of volcanic rock containing large porphyritic crystals of quartz

External Links
(P646) /m/08wgr_
(P1014) 300011238
(P2581) 02519340n
(P4342) kvartsporfyr
(P6263) 48438
(P6366) 137236138
(P7348) 1271
(P9495) term/BCD09DB4-AAF8-4157-AC80-4E2EFD8D8A0C