Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Stilbite Subgroup from
Skookumchuck Dam, Bucoda, Thurston County, Washington, USA


00770800017272734318304.jpg
Stilbite Subgroup, etc.

Skookumchuck Dam, Bucoda, Thurston County, Washington, USA
06195630017272039328358.jpg
Stilbite Subgroup

Skookumchuck Dam, Bucoda, Thurston County, Washington, USA
08516530017272039334500.jpg
Stilbite Subgroup

Skookumchuck Dam, Bucoda, Thurston County, Washington, USA
06228790017272039356033.jpg
Stilbite Subgroup

Skookumchuck Dam, Bucoda, Thurston County, Washington, USA
00770800017272734318304.jpg
Stilbite Subgroup, etc.

Skookumchuck Dam, Bucoda, Thurston County, Washington, USA
06195630017272039328358.jpg
Stilbite Subgroup

Skookumchuck Dam, Bucoda, Thurston County, Washington, USA
08516530017272039334500.jpg
Stilbite Subgroup

Skookumchuck Dam, Bucoda, Thurston County, Washington, USA
06228790017272039356033.jpg
Stilbite Subgroup

Skookumchuck Dam, Bucoda, Thurston County, Washington, USA
08191000017272734348818.jpg
Stilbite Subgroup, etc.

Skookumchuck Dam, Bucoda, Thurston County, Washington, USA
06195630017272039328358.jpg
Stilbite Subgroup

Skookumchuck Dam, Bucoda, Thurston County, Washington, USA
05503320017272039374206.jpg
Stilbite Subgroup

Skookumchuck Dam, Bucoda, Thurston County, Washington, USA
06228790017272039356033.jpg
Stilbite Subgroup

Skookumchuck Dam, Bucoda, Thurston County, Washington, USA
Locality type:Dam
Classification
Species:'Stilbite Subgroup' (not an IMA approved species)
Formula:M6-7[Al8-9Si27-28O72] · nH2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Mordenite10
Quartz8
Apophyllite Group5
Heulandite Subgroup4
Mesolite4
Calcite3
Basalt1
Thomsonite-Ca1
Chabazite1
Data
Mineral Data:Click here to view Stilbite Subgroup data
Locality Data:Click here to view Skookumchuck Dam, Bucoda, Thurston County, Washington, USA
Photo GalleryView Gallery (28 photos)
Data Identifiers
Mindat Occurrence Record ID:93754
Long-form Identifier:1:3:93754:6
GUID (UUID V4):0
Nearest other occurrences of Stilbite Subgroup
35.7km (22.2 miles) ⓘMossyrock Dam, Morton, Morton Mining District, Lewis County, Washington, USA
38.9km (24.1 miles) ⓘRock Candy Mountain, Black Hills, Thurston County, Washington, USA
41.4km (25.7 miles) ⓘSummit Pit, Thurston County, Washington, USA
46.9km (29.1 miles) ⓘRiffe Lake, Kosmos, Lewis County, Washington, USA
47.4km (29.5 miles) ⓘF Line pit, Doty Hills, Lewis County, Washington, USA
48.5km (30.2 miles) ⓘLucky Strike Pit, Mason County, Washington, USA
53.3km (33.1 miles) ⓘClinton Knob, Ryderwood, Lewis County, Washington, USA
56.9km (35.4 miles) ⓘSignal Peak, Cowlitz County, Washington, USA
59.6km (37.0 miles) ⓘThe Half Round Roadcut, Lewis County, Washington, USA
59.8km (37.2 miles) ⓘThrash Creek, PeEll, Pacific County, Washington, USA
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.pages 41,48
Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc. 567pp.
 
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