AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Virginia > Hydroxyapophyllite-(K) (formerly apophyllite-(KOH)) with Prehnite |
DESCRIPTION: | No. 29389 |
Mineral: | Hydroxyapophyllite-(K) (formerly apophyllite-(KOH)) with Prehnite |
Locality: | Bull Run Quarry, near Conklin, Loudoun County, Virginia |
Description: | Tabular crystals of apophyllite overgrown on thin plate of green prehnite. The apophyllite crystals have a white outer surface, described on the label as a surface alteration, though it appears to be an opaque layer of late growth. Ex. John Durkos collection #671 |
Overall Size: | 12x7x6 cm |
Crystals: | 1-46 mm |
Archived: | For reference only |
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