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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Hornblende Root Name Group from
Uncle Sam Mine, Index Mining District, Snohomish County, Washington, USA


Locality type:Mine
Classification
Species:'Hornblende Root Name Group' (not an IMA approved species)
Formula:◻Ca2(C42+C3+)(AlSi7O22)W2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hornblende Root Name Group data
Locality Data:Click here to view Uncle Sam Mine, Index Mining District, Snohomish County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:98131
Long-form Identifier:1:3:98131:6
GUID (UUID V4):0
Nearest other occurrences of Hornblende Root Name Group
0.5km (0.3 miles) ⓘBarclay Creek Skarn, Index Mining District, Snohomish County, Washington, USA
25.9km (16.1 miles) ⓘSultan Canyon, Sultan Mining District, Snohomish County, Washington, USA
42.9km (26.6 miles) ⓘPaddy-go-Easy Pass occurrences, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA
45.1km (28.0 miles) ⓘCarmack Mine, Snoqualmie Mining District, King County, Washington, USA
81.4km (50.6 miles) ⓘHicks Butte complex, Kittitas County, Washington, USA
95.0km (59.0 miles) ⓘLovejoy Claim, Entiat Mining District, Chelan County, Washington, USA
97.6km (60.6 miles) ⓘHidden Treasure Prospect, Lake Chelan, Chelan County, Washington, USA
99.8km (62.0 miles) ⓘEarly Winters Spires, Golden Horn Batholith, Okanogan County, Washington, USA
References
 
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