Dwarves Earth Treasures:"Zig-Zag" Agates from Horni Halze / Medenec, Czech Republic

Dwarves' Earth Treasures Museum:
"Zig-Zag" Agates,
Horni Halze / Medenec, Czech Republic

From time to time, the collectors may find bits of orange agates with zig-zag patterns at the old dumps of silver mines of Horni Halze. The colors are usually orange, pink and red sometimes with various mineral inclusions. They tend to occur in veins. There are several different ideas on how those agates may have formed but I can't help but wonder if there're a form of psuedomorph after any thin blade-like minerals

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This one has hexagonal pattern, psuedomorph after calcite?	Has metallic inclusions at the bottom.