Object Status:
Unlocated
Accession Date:
April 12, 1821
Primary Source Reference:
Peale Museum Accessions Book, Historical Society of Pennsylvania, p. 105
Notes:
This specimen was fibrous gypsum.
Gerardus Troost (1776-1850) was a Dutch-American medical doctor, naturalist, mineralogist, and founding member and first president of the Academy of Natural Sciences of Philadelphia. In April 1821 he was appointed professor of mineralogy of the Peale Museum.
