Pericline and quartz, 9.7 cm, from Grieswies, Rauris, Pinzgau, Salzburg, Austria. Ex Reinhard Dallinger collection. The crystal surfaces are partially covered by a delicate coating of golden iron oxide.
Grieswies, Austria: alpine quartz from a cleft-rich slope in the Rauris Valley; water-clear crystals with chlorite or rutile, plus euclase/phenakite allure.
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