On a recent trip to Winnipeg, we picked up 10 very unusual specimens of different sorts from the guy who mines them in the clay of the Red River Floodway. This one has the familiar ball shape, but instead of the normally golden-sherry color, the crystals are gem-clear. A single sharp, gemmy crystal rises in one place to crown the specimen. 4 x 2.8 x 2.8 cm
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