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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Laumontite from
48-55 Mine, Vesper Peak, Sultan Mining District, Snohomish County, Washington, USA


Locality type:Prospect
Classification
Species:Laumontite
Formula:CaAl2Si4O12 · 4H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Laumontite data
Locality Data:Click here to view 48-55 Mine, Vesper Peak, Sultan Mining District, Snohomish County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:98128
Long-form Identifier:1:3:98128:2
GUID (UUID V4):0
Nearest other occurrences of Laumontite
34.4km (21.4 miles) ⓘYoungs Creek Quarry, Snohomish County, Washington, USA
41.2km (25.6 miles) ⓘTolt River Quarry, King County, Washington, USA
63.1km (39.2 miles) ⓘRaging River Quarry, King County, Washington, USA
70.1km (43.6 miles) ⓘSquak Mountain Quarry, King County, Washington, USA
85.3km (53.0 miles) ⓘWashington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
87.0km (54.1 miles) ⓘMats Mats Quarry, Jefferson County, Washington, USA
90.4km (56.2 miles) ⓘShine Quarry, Jefferson County, Washington, USA
92.0km (57.1 miles) ⓘBeaver Valley Quarry, Jefferson County, Washington, USA
93.0km (57.8 miles) ⓘWhite River Andesites, Pierce County, Washington, USA
96.5km (60.0 miles) ⓘWhite River Roadcut, King County, Washington, USA
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.pages 99, 113, 137
Cannon, Bart (1991) The Vesper Peak Garnet Deposit. Rocks & Minerals, 66 (6) 478-484 doi:10.1080/00357529.1991.11761657
 
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