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
Walker Valley, Skagit County, Washington, USA


Locality type:Valley
Classification
Species:Quartz
Formula:SiO2
Comments:Lining geodes and in stalactitic forms. As Chalcedony.
Habit:druzy, mostly showing terminal faces, some sceptered, cryptocrystalline
Colour:colorless, light to medium purple. Chalcedony can be white, gray, and blue.
Abundance at site:Common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Goethite12
Calcite10
Siderite3
Hisingerite3
Quartz2
- var Amethyst1
- var Chalcedony1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Walker Valley, Skagit County, Washington, USA
Photo GalleryView Gallery (8 photos)
Data Identifiers
Mindat Occurrence Record ID:45736
Long-form Identifier:1:3:45736:9
GUID (UUID V4):0
Nearest other occurrences of Quartz
4.9km (3.0 miles) Cultus Mountain Nickel Occurrence, Hamilton Mining District, Skagit County, Washington, USA
9.3km (5.8 miles) Mount Vernon Mine, Skagit County, Washington, USA
20.6km (12.8 miles) Hamilton Mine, Hamilton Mining District, Skagit County, Washington, USA
20.7km (12.9 miles) Deer Creek, Snohomish County, Washington, USA
24.8km (15.4 miles) Alverson Mine, Fidalgo Island, Skagit County, Washington, USA
28.6km (17.8 miles) Lawrence Prospect, Skagit County, Washington, USA
29.0km (18.0 miles) Finney Creek, Skagit County, Washington, USA
29.2km (18.1 miles) Jordan Zinc Mine, Granite Falls Mining District, Snohomish County, Washington, USA
31.6km (19.7 miles) Blanchard Hill, Skagit County, Washington, USA
35.1km (21.8 miles) Yankee Boy Mine, Granite Falls Mining District, Snohomish County, Washington, USA
References
 
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