This is a mixture of powder and lumps of actual thorium metal. It's radioactively quite hot, and because thorium emits high energy particles, the radiation is not stopped by the miserable sixteenth inch of lead equivalent in our Hot Box display case. I made a special lockable container, called The Can to hold this and the uranyl nitrate.
On September 17, 2002 one chip from this sample was de-accessioned from the Table to be sent to David Franco in small thanks for the many elements he has contributed. I made a lead tamale to hold it in shipping:
Lord only knows what the postal authorities would think if they found this.
Click the source link for an interesting story about where this sample came from.
Source: Tryggvi Emilsson and Timothy Brumleve
Contributor: Tryggvi Emilsson and Timothy Brumleve
Acquired: 6 September, 2002