Phlogopite

Phlogopite : KMg₃[(OH,F)₂|AlSi₃O₁₀]

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Locality: Highway 62 Road Cut, Bancroft, Bancroft District, Hastings Co., Ontario, Canada

Well crystallized phlogopite pseudomorph after a 28 mm hornblende crystal. The original crystal form is well preserved and the four-sided termination is still clearly visible. Complete and undamaged. Collected in August 1969. Ex. A. Stevenson collection #409. Overall size of mineral specimen: 30x15x12 mm. Size of individual crystals: 28 mm.

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Phlogopite

Phlogopite : KMg3[(OH,F)2|AlSi3O10]

Phlogopite : KMg₃[(OH,F)₂|AlSi₃O₁₀]