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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Illite from
Bullfrog Mine (Original Bullfrog Mine), Bullfrog Mining District, Bullfrog Hills, Nye County, Nevada, USA


Locality type:Mine
Classification
Species:Muscovite var: Illite
Formula:K0.65Al2.0[Al0.65Si3.35O10](OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Illite data
Locality Data:Click here to view Bullfrog Mine (Original Bullfrog Mine), Bullfrog Mining District, Bullfrog Hills, Nye County, Nevada, USA
Data Identifiers
Mindat Occurrence Record ID:789393
Long-form Identifier:1:3:789393:3
GUID (UUID V4):0
Nearest other occurrences of Illite
23.5km (14.6 miles) ⓘ144 Zone deposit, Sterling Mine (Ambrose pit; Panama Mine; 144 Zone; Mary-Goldspar claim block [to the north [2004]]; Ambrose open pit; NBMG sample sites 1013 & 1014), Bare Mountain Mining District (Fluorine Mining District), Bare Mountain, Nye County, Nevada, USA
40.3km (25.0 miles) ⓘYellow Gold Mine, Clarkdale Mining District, Nye County, Nevada, USA
40.8km (25.4 miles) ⓘClarkdale Mine (Clarkdale Camp; Clarksdale Camp), Clarkdale Mining District, Nye County, Nevada, USA
43.8km (27.2 miles) ⓘLife Preserver Mine, Landmark-Life Preserver group, Tolicha Peak, Tolicha Mining District, Nye County, Nevada, USA
64.9km (40.3 miles) ⓘLos Angeles Chemical Company Clay Property, Ash Meadows Mining District, Amargosa Desert, Nye County, Nevada, USA
71.0km (44.1 miles) ⓘGolden Chariot group (Golden Chariot claims; Chariot claims), Jamestown Mining District, Nye County, Nevada, USA
71.4km (44.4 miles) ⓘFranz Hammel Mine (Franz Hammel prospect; Hammel; Guy Puh property), Jamestown Mining District, Nye County, Nevada, USA
85.0km (52.8 miles) ⓘFranklin Lake playa, Amargosa Desert, Inyo County, California, USA
References
Castor, Stephen B.; Sjoberg, James J. (1993) Uytenbogaardtite, Ag3AuS2, in the Bullfrog mining district, Nevada. The Canadian Mineralogist, 31 (1). p.89-98.
 
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