ROCK CREEK
near Stevenson, Washington

LOCALITY IMAGES


GEOLOGY
(Under Construction)

MINERALS
Calcite-
CaCO3 - Colorless clear dogtooth crystals to 1 cm in amygdules.
Mesolite-
Na2Ca2Al6Si9O30 - 8H2O - 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 - Light orange-red druzes crystallized within amygdules.

Aesthetic sprays of MESOLITE
on HEULANDITE

Dogtooth CALCITE
on HEULANDITE