# Molecular weights from https://www.nist.gov/pml/atomic-weights-and-isotopic-compositions-relative-atomic-masses.
# Density source: https://en.wikipedia.org/wiki/Caesium_iodide
# Material composition source: same as density

# Material name:
# cesium iodide - CsI

# Number of elements:
2

# Density:
4.510000

# Atomic number(s) and corresponding mass fraction(s):
53    0.488451    # iodine
55    0.511549    # cesium
