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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Chlorite Group from
Lassen Peak, Lassen Volcanic National Park, Shasta County, California, USA


Locality type:Peak
Classification
Species:'Chlorite Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chlorite Group data
Locality Data:Click here to view Lassen Peak, Lassen Volcanic National Park, Shasta County, California, USA
Data Identifiers
Mindat Occurrence Record ID:768555
Long-form Identifier:1:3:768555:2
GUID (UUID V4):0
Nearest other occurrences of Chlorite Group
68.1km (42.3 miles) ⓘLights Creek Copper deposits (Moonlight Mine; Sulfide Ridge deposits; Lights Canyon deposits), Moonlight Peak, Taylorsville Mining District, Plumas Copper Belt, Plumas County, California, USA
77.9km (48.4 miles) ⓘHayden Hill Mine, Hayden Hill [summit], Hayden Hill [town], Hayden Hill Mining District, Lassen County, California, USA
80.9km (50.3 miles) ⓘYankee John Mine, Redding, Redding Mining District, Shasta County, California, USA
85.8km (53.3 miles) ⓘMammoth Mine (Mammoth Copper Company; Anderson Mine; Mayflower Mine; Sheridan Mine; Gillispie Mine), Copper Crest group, Mammoth Butte, Backbone District, West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
88.0km (54.7 miles) ⓘBalaklala Mine (Windy Camp Mine), Sugarloaf Mountain [3], West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
89.3km (55.5 miles) ⓘWest End Mine (Spanish Mine), Whiskeytown, Whiskeytown Mining District, Klamath Mountains, Shasta County, California, USA
92.1km (57.2 miles) ⓘWalker Mine (Walker Brothers Mine; Walker Copper Mine; Native Son Mine [?]), Argentine Rock, Genesee Valley Mining District (Genesee Mining District), Plumas Copper Belt, Plumas County, California, USA
References
Robert G. Lee, John H. Dilles, David A. John, Tanya L. Abela (2005) The mineralogy and origin of hydrothermally altered Quaternary volcanic rocks on the south flank of Lassen volcano, California: Interim report for USGS Mineral Resource External Research Program grant of $42,000 in FY 2005
 
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