| Description | Shape |
|---|---|
| Interest | Feared—anyone who knows about it avoids it |
| Feature | Super-dense |
| Rumor | Consigned to a WW2 Nazi vault |
| Description | Shape |
|---|---|
| Interest | Feared—anyone who knows about it avoids it |
| Feature | Super-dense |
| Rumor | Consigned to a WW2 Nazi vault |