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Pyrite concretions are especially loved by collectors because they balance bold visual impact with serious geology—a specimen that looks sculptural on a shelf while still being an authentic record of the earth’s mineralizing processes
Some deposits may originate from older volcanic events depending on their specific locality
The crystals exhibit excellent transparency to translucency
Warm shades of peach
creating a stunning visual and mineralogical presentation
High-Grade Green Heulandite on Peach Stilbite Crystal Cluster | Deccan Traps, Maharashtra, India | Collector Mineral Specimen Bracelets Pyrite concretions are especially lovedThis high grade green Heulandite originates from the legendary Deccan Traps of Maharashtra, India, one of the largest volcanic provinces on Earth. Formed within ancient basalt flows created by massive flood basalt eruptions during the Late Cretaceous period, this specimen represents a classic example of secondary mineralization in vesicular basalt. Heulandite is a member of the zeolite group, crystallizing from low temperature hydrothermal fluids that
