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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Hummerite from
Hummer Mine, Paradox Valley, Montrose County, Colorado, USA


Locality type:Mine
Classification
Species:Hummerite
Formula:K2Mg2(V10O28) · 16H2O
Comments:Translucent yellow to orange in color, water soluble, and similar in appearance to pascoite, hummerite forms vein fillings with columnar structure parallel to the walls. It also forms a granular crust and efflorescence that coats or cements sandstone in
Confirmation
Validity:Valid - Type Locality
Associated Minerals Based on Photo Data:
Carnotite5
Metarossite1
Data
Mineral Data:Click here to view Hummerite data
Locality Data:Click here to view Hummer Mine, Paradox Valley, Montrose County, Colorado, USA
Photo GalleryView Gallery (17 photos)
Data Identifiers
Mindat Occurrence Record ID:29590
Long-form Identifier:1:3:29590:9
GUID (UUID V4):0
Nearest other occurrences of Hummerite
2.4km (1.5 miles) Peanut Mine, Bull Canyon, Montrose County, Colorado, USA
6.7km (4.1 miles) Whitney Mine, Montrose County, Colorado, USA
8.3km (5.2 miles) Blue Streak Mine, Montrose County, Colorado, USA
21.4km (13.3 miles) North Star Mine (Atchinson Creek), Montrose County, Colorado, USA
31.0km (19.3 miles) Vanadium Queen Mine, La Sal Creek Mining District, San Juan County, Utah, USA
50.3km (31.3 miles) Hubbard Homestead Mine, Beaver Mesa, Gateway Mining District, Mesa County, Colorado, USA
52.6km (32.7 miles) Lost Dutchman Mine, Beaver Mesa, Gateway Mining District, Mesa County, Colorado, USA
52.9km (32.9 miles) Packrat Mine, Beaver Mesa, Gateway Mining District, Mesa County, Colorado, USA
References
 
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