near North Bend, King County, Washington, USA |
| Ca(Fe,Mg)(CO3)2 - White to tan aggregates composed of several small curved rhombohedral crystals. |
BaSO4 - Tabular prismatic crystals up to several centimeters. | |
CuFeS2 - Occurs as terahedra typically less than 1 cm. | |
FeS2 - Brilliant striated pyritihedral and cubic crystals to several centimeters. Some pyrite has been corroded by bacterial processes. | |
SiO2 - Slender crystals, both sceptered and doubly terminated. Some sceptered crystals are amethystine. Japan-law twins occur but are rare. | |
ZnS - Rare small submetallic crystals |
Stacked ANKERITE crystals on QUARTZ |
ANKERITE on QUARTZ |
ANKERITE "rose" on QUARTZ |
BARITE on QUARTZ |
BARITE with QUARTZ and PYRITE |
BARITE with QUARTZ |
CALCITE and QUARTZ |
CHALCOPYRITE epitactic on PYRITE |
PYRITE and QUARTZ cluster |
Octahedral PYRITE |
QUARTZ cluster with amethyst scepter |
Light amethystine QUARTZ cluster with scepters |
QUARTZ cluster with amethyst scepter |
Dumbbell scepter QUARTZ cluster |
QUARTZ cluster with amethyst scepters |
Rehealed and sceptered QUARTZ splay |
SPHALERITE crystal on ANKERITE |
Lasmanis, Raymond (July/August 1991) Minerals of the Spruce 16 Claim, King County, Washington. Rocks & Minerals. 66(04), 25-30. Livingston, Vaughn E., (1971) Geology and Mineral Resources of King County, Washington. Bulletin - Division of Mines and Geology (State of Washington) 63, Pages 200. |