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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Calcite from
Walker Valley, Skagit County, Washington, USA


Locality type:Valley
Classification
Species:Calcite
Formula:CaCO3
Habit:steep rhombohedral crystals, unusual aggregates of steep rhombohedral crystals, massive--filling voids, jackstraw clusters, and dendritic shapes
Colour:white, colorless, pale yellow
Abundance at site:Common
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Amethyst
Chalcedony
Cristobalite
Goethite
Hematite
Hisingerite
Pyrite
Quartz
Sceptre Quartz
Siderite
Associated Minerals Based on Photo Data:
Quartz17
- var Amethyst6
- var Chalcedony1
Goethite11
Siderite5
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Walker Valley, Skagit County, Washington, USA
Photo GalleryView Gallery (9 photos)
Data Identifiers
Mindat Occurrence Record ID:45737
Long-form Identifier:1:3:45737:8
GUID (UUID V4):0
Nearest other occurrences of Calcite
9.3km (5.8 miles) Mount Vernon Mine, Skagit County, Washington, USA
24.8km (15.4 miles) Alverson Mine, Fidalgo Island, Skagit 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
35.8km (22.3 miles) Canyon Creek Quarry, Granite Falls Mining District, Snohomish County, Washington, USA
38.4km (23.8 miles) Feldt Prospect, Whitehorse Mountain, Darrington Mining District, Snohomish County, Washington, USA
44.9km (27.9 miles) Ebey's Landing, Whidbey Island, Island County, Washington, USA
48.8km (30.3 miles) Gold Mountain, Darrington Mining District, Snohomish County, Washington, USA
53.9km (33.5 miles) Bonanza Queen Mine, Deer Creek, Silverton Mining District, Snohomish County, Washington, USA
55.2km (34.3 miles) Eclipse Mine, Silverton, Silverton Mining District, Snohomish County, Washington, USA
References
 
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