ROCK CREEK
near Stevenson, Skamania County, Washington, USA

LOCALITY IMAGES


GEOLOGY
(Under Construction)

MINERALS
Calcite-
CaCO3 - Occurs as clear colorless dogtooth crystals to 1 cm in amygdules.
Mordenite-
(Na2,Ca,K2)Al2Si10O24 - 7H2O - Occurs as sprays of needle-thin acicular crystals, some forming spherical radial clusters to less than a centimeter within amygdules.
Heulandite-
(Ca,Na)2-3Al3(Al,Si)2Si13O36 - 12H2O - Occurs as light orange-red druse crystallized within amygdules.

 
Aesthetic sprays of MORDENITE
on HEULANDITE
 
Dogtooth CALCITE
on HEULANDITE
 
MORDENITE