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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Utahite from
Gold Chain Mine, Mammoth, Tintic Mining District, East Tintic Mountains, Utah, USA


07874970017370937602475.jpg
Utahite

Gold Chain Mine, Mammoth, Tintic Mining District, East Tintic Mountains, Utah, USA
07874970017370937602475.jpg
Utahite

Gold Chain Mine, Mammoth, Tintic Mining District, East Tintic Mountains, Utah, USA
07874970017370937602475.jpg
Utahite

Gold Chain Mine, Mammoth, Tintic Mining District, East Tintic Mountains, Utah, USA
Locality type:Mine
Classification
Species:Utahite
Formula:MgCu4Zn2Te36+O14(OH)4 · 6H2O
Habit:Triclinic. Elongated needles or spheres.
Colour:Sky blue.
Abundance at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Confirmation Details:Where Tested and Reference ID: Visual ID by Brent Thorne.
Data
Mineral Data:Click here to view Utahite data
Locality Data:Click here to view Gold Chain Mine, Mammoth, Tintic Mining District, East Tintic Mountains, Utah, USA
Data Identifiers
Mindat Occurrence Record ID:485175
Long-form Identifier:1:3:485175:2
GUID (UUID V4):0
Nearest other occurrences of Utahite
1.1km (0.7 miles) ⓘUpper dumps, North Star Mine (Star Consolidated Mine), Mammoth, Tintic Mining District, East Tintic Mountains, Utah, USA
1.1km (0.7 miles) ⓘNorth Star Mine (Star Consolidated Mine), Mammoth, Tintic Mining District, East Tintic Mountains, Utah, USA
1.8km (1.1 miles) ⓘCentennial Eureka Mine, Eureka, Juab County, Utah, USA
References
Thorne, Brent (n.d.) Personal communcation.
 
and/or  
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