Harkerite, Cuspidine, Phlogopite
Specimen ID: TJU-EVR
Harkerite : Ca48Mg16[AlSi4O15(OH)]4(BO3)16(CO3)16·2(H2O,HCl)
Cuspidine : Ca8(Si2O7)2F4
Phlogopite : KMg3(AlSi3O10)(OH)2
Mindat locality:
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“Orange brown crystals of harkerite, pseudo octahedral (actually are trigonal), on lanceolate crystals, white, of cuspidine, with green phlogopite. Ex collection Luciano Liotti. ”
Gianfranco Ciccolini - 21st May 2015
Photo added to mindat.org
“Orange brown crystals of harkerite, pseudo octahedral (actually are trigonal), on lanceolate crystals, white, of cuspidine, with green phlogopite. Ex collection Luciano Liotti. The crystal on cuspidine is shown on the RMI No. 1 of 1994 on page 20. ”
Gianfranco Ciccolini - 21st May 2015
Photo added to mindat.org
“Orange brown crystals of harkerite, pseudo octahedral (in fact is trigonal), on lanceolate crystals, white, of cuspidine, with green phlogopite. Ex collection Luciano Liotti. The crystal on cuspidine is shown on the RMI No. 1 of 1994 on page 20. ”
Gianfranco Ciccolini - 25th January 2016
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