Mango Quartz Halloysite - Specimen green river formation these Ammonites are in great

these Ammonites are in great condition and you can see all the intricate details of the shell

trapping the slender titanium dioxide needles inside as the quartz develops

Size of full puzzle: 7cm x 10cm x 5cmWeight of full puzzle: 648g

The fluorite here often forms in pockets lined with quartz and calcite

Mango Quartz Halloysite - Specimen green river formation these Ammonites are in greatMined from: Cabiche, Quipama Municipality, Western Boyaca Province, Boyaca Department, Colombia Description: This one of a kind Mango Quartz with Halloysite mineral specimen from Colombia features a long, arched formation of clear to pale champagne quartz crystals growing across a rich ochre brown matrix. The specimen is covered in fine, needle like quartz sprays, with larger prismatic points extending outward from the surface and soft mango yellow