Crystal Models available

Dr Phillip M. Halleck, Prof. emeritus, Penn State

Description of Available Specimens

How many pieces are available: Large Collection

~ 50 plastic ball crystal models of a wide variety of minerals made by my mineralogy-nut parents in law. Also supply of plastic balls and templates for making additional models.

Additional Information

These need a home where they will be used in mineralogy and crystallography education. Will donate and ship to accredited university or museum.