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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Quartz from
Estacada Pyrite locality, Clackamas River localities, Estacada, Clackamas County, Oregon, USA


Locality type:Occurrence
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Confirmed
Confirmation Methods:Dealer/Collection Label
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Estacada Pyrite locality, Clackamas River localities, Estacada, Clackamas County, Oregon, USA
Data Identifiers
Mindat Occurrence Record ID:710235
Long-form Identifier:1:3:710235:6
GUID (UUID V4):0
Nearest other occurrences of Quartz
19.1km (11.9 miles) ⓘCheeney Creek Prospects (Salmon Creek), Clackamas County, Oregon, USA
19.9km (12.3 miles) ⓘNisbet (Oregon Quicksilver), Oak Grove Fork, Clackamas County, Oregon, USA
20.2km (12.5 miles) ⓘKiggins Mine, Oak Grove Fork, Clackamas County, Oregon, USA
25.8km (16.0 miles) ⓘFish Creek Road - highway 224 junction, Clackamas River localities, Clackamas County, Oregon, USA
34.6km (21.5 miles) ⓘBlende Oro Occurrence, Santiam Mining District (Elkhorn Mining District), Marion County, Oregon, USA
34.8km (21.6 miles) ⓘClackamas Mining and Milling Company Occurrence, Santiam Mining District (Elkhorn Mining District), Clackamas County, Oregon, USA
35.0km (21.7 miles) ⓘGold Creek Mining & Milling Company Prospect, Santiam Mining District (Elkhorn Mining District), Marion County, Oregon, USA
35.0km (21.8 miles) ⓘBimetallic and Gold Bug Occurrence, Santiam Mining District (Elkhorn Mining District), Marion County, Oregon, USA
35.5km (22.1 miles) ⓘOgie Mountain Mine, Santiam Mining District (Elkhorn Mining District), Clackamas County, Oregon, USA
36.0km (22.3 miles) ⓘSwim Warm Springs, Clackamas County, Oregon, USA
References
Betts, John (n.d.) John Betts website listing.
 
and/or  
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