This exceptional multi-mineral association specimen is from the Panasqueira Mines, Portugal.

Dimension：15.5×12.5×8cm

• Arsenopyrite forms the primary crystalline framework as euhedral to subhedral prismatic crystals with strong metallic luster.

• Quartz occurs as secondary growth, well-developed and transparent, intergrown with arsenopyrite.

• Dark green mica forms a continuous scaly coating covering most crystal surfaces.

• Calcite is present as flaky/scaly crystals associated with mica.

• Pyrite is disseminated as micro-grains and tiny dots throughout the specimen.

• Apatite shows a distinctive golden-yellow fluorescence under long-wave UV light.

The specimen displays excellent crystal form, clear paragenesis, and superb texture, making it a highly desirable collector piece.

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