Question: what kind of powder is used for fingerprinting
Answer: a variety of compositions

title: Fingerprint powder
text: the print. Modern fingerprint powders have a variety of compositions, and are often a matter of personal choice by the expert using them or down to the standard procedure of the department or agency. Many agencies use proprietary powders produced by independent companies, and so the exact formulation of these powders is not revealed. Some surfaces, such as organic ones, do not take to fingerprint powders at all and use of alternate methods is necessary. Other media, such as certain types of glue, can be "smoked" over these surfaces with fair results. Historically, Lycopodium powder, the spores of Lycopodium and