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Polished section image of grain aggregate of watanabeite (Wat) to demonstrate the outline of grains and anisotropy; A in plane polarised light (PPL), B with crossed polars (XPL). (MinMag, v57:389).
Occurs with quartz in a hydrothermal vein at the Teine mine, Sapporo, Hokkaido, Japan.
Scale Bar 0.5 mm.
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