Phacolite is a lens-shaped variety of chabazite. These form due to twinning/multiple twinning of rhombohedrons, shapes hexagonal or trigonal crystal structures may take. "Chabazite (Var. Phacolite)," Gads Hill, Upper Mersey Valley, Tasmania, Australia. © Rob Lavinsky, www.iRocks.com. Used with permission.
|Natural or man made||Natural|
|Origin details||Gads Hill, Upper Mersey Valley, Tasmania|