Marcasite, Quartz
Santa Rosa Mine, Mazapil Municipality, Zacatecas, Mexico
Sparkly, lustrous, dramatically bubbly marcasite botryoids cover most of this impressive and sculptural large 360-degree specimen. Some of the botryoids have stunning beautiful iridescence, adding much character. The two attachment points reveal that the marcasite has enveloped dense clusters of glassy, parallel-growth quartz points, to about 5.0 ...
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