|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Russia > Quartz pseudomorph after Datolite
|Quartz pseudomorph after Datolite
|Borosilikatnoye deposit, Dalnegorsk, Primorskiy Kray, Russia
|Large 6 cm datolite crystal completely replaced by quartz, with late overgrowth of minor datolite crystals to 5 mm on one side. The original datolite crystal shape is distinctly visible. Partial (incomplete) crack on end.
|For reference only
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