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Harkerite from
Alban Hills, Rome Province, Latium, Italy

Description
Comments:xx up to 2-3 mm. The crystals often appear corroded and coated with a film of a light brown substance as alteration product.
Habit:octahedral xx
Colour:colourless
Quality of samples:not specified / average specimens
Confirmation
Validity:Confirmed
Confirmation Methods:Polarised-light microscopy
XRD
EPMA
References
References:Barbieri, M., Cozzupoli, D., Federico, M., Fornaseri, M., & Tolomeo, L. (1973). Harkerite negli inclusi del peperino dei Colli Albani. Periodico di Mineralogia, 42 (3), 687-688; Barbieri, M., Cozzupoli, D., Federico, M., Fornaseri, M., Merlino, S., Orlandi, P., & Tolomeo, L. (1977). Harkerite from the Alban Hills, Italy. Lithos, 10, 133-141.
Associated minerals:
Associates:Cuspidine
Phlogopite
Data
Mineral Data:Click here to view Harkerite data
Locality Data:Click here to view Alban Hills, Rome Province, Latium, Italy
Mineral and/or Locality
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