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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Tennantite Subgroup from
Eagle Mine (Eagle-Hawk Mine Eagle and Hawk Claims), Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA


Locality type:Mine
Classification
Species:'Tennantite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)As4S12S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tennantite Subgroup data
Locality Data:Click here to view Eagle Mine (Eagle-Hawk Mine Eagle and Hawk Claims), Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:356109
Long-form Identifier:1:3:356109:6
GUID (UUID V4):0
Nearest other occurrences of Tennantite Subgroup
1.7km (1.1 miles) ⓘEmpress Josephine Mine (Empress Josephine claim; Boss Mammoth claim), Bonanza, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
2.5km (1.5 miles) ⓘExpress Mine (Express - Headlight Mine), Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
3.2km (2.0 miles) ⓘLiberty Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
3.5km (2.2 miles) ⓘHortense Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
3.7km (2.3 miles) ⓘWide Awake Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
3.7km (2.3 miles) ⓘWheel of Fortune Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
3.7km (2.3 miles) ⓘSt. Louis Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
4.7km (2.9 miles) ⓘMinnie Lynch Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
4.8km (3.0 miles) ⓘPaddy Doyle Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
4.8km (3.0 miles) ⓘSenator Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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