Celadonite
hydrated iron potassium silicate
K(Mg,Fe2+)Fe3+[Si4O10](OH)2
![Heulandite, Calcite and Celadonite](http://marulla.com/wp-content/uploads/2011/02/pIGP2017.png)
Heulandite, Calcite and Celadonite
Malpais Hill Railroad Cut, Dudleyville, Arizona
Collected on 30 May 2002
![Celadonite and Heulandite](http://marulla.com/wp-content/uploads/2011/02/frame2.jpg)
Celadonite (green), Heulandite (clear) and unknown Manganese Oxide (black)
Malpais Hill Railroad Cut, Dudleyville, Arizona
Collected on 30 May 2002
![Celadonite Crystals](http://marulla.com/wp-content/uploads/2011/02/frame41.jpg)
Closeup of Celadonite Crystals
Malpais Hill Railroad Cut, Dudleyville, Arizona
Collected on 30 May 2002