Pyrite Pseudomorph after Pyrrhotite Specimen | 1kg | Trepča, Yugoslavia Yugoslavia is a captivating variety of

is a captivating variety of quartz renowned for its rutile needle inclusions that traverse the crystal's interior

France displays the characteristic twisted growth that defines a true Gwindel

Agate is a microcrystalline variety of Quartz

creating a flowing form that emphasises movement and colour variation

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Pyrite Pseudomorph after Pyrrhotite Specimen | 1kg | Trepča, Yugoslavia Yugoslavia is a captivating variety ofPyrite Pseudomorph after Pyrrhotite Specimen 1kg Trepa, Yugoslavia An excellent example of a pyrite pseudomorph after pyrrhotite from the Trepa mining district of former Yugoslavia. Pyrite has gradually replaced the original pyrrhotite while preserving its crystal shape and structure a visually distinctive and scientifically fascinating piece. Sold as seen. Size: 10. 5x8x7. 5cm. Weight: 1kg. Best suited for display or collection rather than handling.