5.4 x 4.3 x 2.3 cm. An old-time and showy Japanese combination specimen of sharp, lustrous, steel-gray arsenopyrite crystals covering matrix and attractively resting above a highly complimentary and contrasting band of intergrown, frosted, translucent, sea-green fluorite crystals. A fine, old specimen from a historic copper mine. Ex. John Ydren Collection.
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