Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Apjohnite from
Alum Cave Bluff, Sevier County, Tennessee, USA


08074960017271921022369.jpg
Apjohnite

Alum Cave Bluff, Sevier County, Tennessee, USA
01583750017271921007803.jpg
Apjohnite

Alum Cave Bluff, Sevier County, Tennessee, USA
09536880017272020751749.jpg
Apjohnite

Alum Cave Bluff, Sevier County, Tennessee, USA
08074960017271921022369.jpg
Apjohnite

Alum Cave Bluff, Sevier County, Tennessee, USA
01583750017271921007803.jpg
Apjohnite

Alum Cave Bluff, Sevier County, Tennessee, USA
03985530017367518302012.jpg
Apjohnite

Alum Cave Bluff, Sevier County, Tennessee, USA
08074960017271921022369.jpg
Apjohnite

Alum Cave Bluff, Sevier County, Tennessee, USA
01583750017271921007803.jpg
Apjohnite

Alum Cave Bluff, Sevier County, Tennessee, USA
09536880017272020751749.jpg
Apjohnite

Alum Cave Bluff, Sevier County, Tennessee, USA
Locality type:Cliff
Classification
Species:Apjohnite
Formula:Mn2+Al2(SO4)4 · 22H2O
Comments:large masses of the substance have collected under an overhanging cliff at the headwaters of Little Pigeon creek
Special Storage/
Display Requirements:		keep it in a well sealed container
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Apjohnite data
Locality Data:Click here to view Alum Cave Bluff, Sevier County, Tennessee, USA
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:21671
Long-form Identifier:1:3:21671:7
GUID (UUID V4):0
References
Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.
American Mineralogist (2000): 85: 1561.
Rocks & Min. (2007) 82:235
 
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