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Anthophyllite from
Crawford Creek Breccia, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA


Locality type:Deposit
Classification
Species:Anthophyllite
Formula:◻{Mg2}{Mg5}(Si8O22)(OH)2
Habit:freestanding prismatic crystals up to 1 1/2"
Colour:pale grey blue
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Anthophyllite data
Locality Data:Click here to view Crawford Creek Breccia, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:93734
Long-form Identifier:1:3:93734:2
GUID (UUID V4):0
Nearest other occurrences of Anthophyllite
18.6km (11.6 miles) Rainy Mine, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
19.1km (11.9 miles) Paddy-go-Easy Pass Occurrences, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA
30.6km (19.0 miles) Trout Lake, Leavenworth Mining District, Chelan County, Washington, USA
51.2km (31.8 miles) Mill Creek Anthophyllite Occurrence, Leavenworth Mining District, Chelan County, Washington, USA
51.6km (32.1 miles) Nason Ridge Anthophyllite Occurrence, Lake Wenatchee, Chelan County, Washington, USA
60.9km (37.8 miles) Goose Creek Anthophyllite Occurrence, Lake Wenatchee, Chelan County, Washington, USA
66.1km (41.0 miles) Chumstick Mountain, Leavenworth Mining District, Chelan County, Washington, USA
References
 
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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