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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Humite from
San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy


Locality type:Quarry
Classification
Species:Humite
Formula:Mg7(SiO4)3F2
Comments:The following data on a yellow transparent crystal is provided by Chukanov (2014): Empirical formula is (electron microprobe) (Mg5.5Fe1.5)(SiO4)3F1.4(OH)0.6. Wavenumbers (cm-1): 3560, 3430sh, 990s, 956s, 888s, 848, 760, 750, 614, 540, 488s, 440sh,404s, 390sh
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Spinel6
Calcite5
Magnetite4
Clinohumite1
Sodalite1
Phlogopite1
Sanidine1
Biotite1
Data
Mineral Data:Click here to view Humite data
Locality Data:Click here to view San Vito Quarry, San Vito, Ercolano, Metropolitan City of Naples, Campania, Italy
Photo GalleryView Gallery (52 photos)
Data Identifiers
Mindat Occurrence Record ID:6317
Long-form Identifier:1:3:6317:3
GUID (UUID V4):0
Nearest other occurrences of Humite
1.6km (1.0 miles) Pollena quarries, Pollena Trocchia, Metropolitan City of Naples, Campania, Italy
1.7km (1.1 miles) Lagno di Pollena, Pollena Trocchia, Metropolitan City of Naples, Campania, Italy
4.0km (2.5 miles) Lagno Amendolare, Sant'Anastasia, Metropolitan City of Naples, Campania, Italy
23.0km (14.3 miles) Fiano tuff quarries, Nocera Inferiore, Salerno, Campania, Italy
References
 
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