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Hornblende series (Photo) [abbr. Hbl ]

Year of discovery: 1891 (Japan)

Locality list: 1,597 localities of hornblende

• [][Ca₂][ X²⁺₄ ][Al][(OH)₂|AlSi₇O₂₂]

• [ Fe ]: Ferro-hornblende
• [ Mg ]: Magnesio-hornblende

• Class: Ca Amphibole subgroup < OH-F-Cl Amphibole group < Amphibole supergroup
• Class: Ino-Aluminosilicate - Hydroxide