AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Madagascar > Quartz (Japan Law Twin) with Amethyst overgrowth |
DESCRIPTION: | No. 81992 |
Mineral: | Quartz (Japan Law Twin) with Amethyst overgrowth |
Locality: | near Marovoalavo, Toamasina Province, Madagascar |
Description: | Uncommonly large V-shaped formation of lustrous tabular translucent milky quartz crystals that are twinned following the Japan Law of Quartz Twinning, with overgrowth on the terminations of parallel lustrous transparent purple amethyst quartz crystals. |
Overall Size: | 9.5x7x2.5 cm |
Crystals: | 5-80 mm |
Archived: | For reference only |
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