Bismuth Rainbow Crystal Staircase - SOLD 1.17" availablesoon Species: Spinosaurus aegyptiacus

Species: Spinosaurus aegyptiacus

It was originally retrieved at the scene in 1937 by journalist Harry Kroh

Included stand may be clear acrylic or black metal depending on the thickness of the fossil

Many gem-producing hydrothermal regions exist around the world

the creature looked quite different from what we think of as a rhinoceros today

Bismuth Rainbow Crystal Staircase - SOLD 1.17" availablesoon Species: Spinosaurus aegyptiacusBismuth is an element (Bi 83) best known for its unusual staircase shape, the result of bismuth atoms attaching to the edge of a rapidly growing crystal. This is called hoppering, when atoms are drawn to the edge of a structure, creating a lattice formation. This specimen is a Bismuth Rainbow Crystal, measuring 1. 17". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to