18 Biological Materials 25mm Block

The set is comprised of 18 materials with Faraday cup:

BN Al CaCO33 FeS2 BaSO4 C SiO2 CaSO4 Se
Bi NaCl KCl Ti InP MgO KBr V BaF2
Manufacturer: MAC
SKU: 80095-BIO25
Pack: Set
$2,215.50